Elementary Algebra 2nd edition

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Lynn Marecek, MaryAnne Anthony-Smith, and Andrea Honeycutt Mathis
Publisher: OpenStax

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  • Chapter 1: Foundations
    • 1.1: Introduction to Whole Numbers (37)
    • 1.2: Use the Language of Algebra (67)
    • 1.3: Add and Subtract Integers (43)
    • 1.4: Multiply and Divide Integers (39)
    • 1.5: Visualize Fractions (41)
    • 1.6: Add and Subtract Fractions (46)
    • 1.7: Decimals (60)
    • 1.8: The Real Numbers (30)
    • 1.9: Properties of Real Numbers (55)
    • 1.10: Systems of Measurement (54)
    • 1: Review Exercises (5)

  • Chapter 2: Solving Linear Equations and Inequalities
    • 2.1: Solve Equations Using the Subtraction and Addition Properties of Equality (42)
    • 2.2: Solve Equations Using the Division and Multiplication Properties of Equality (52)
    • 2.3: Solve Equations with Variables and Constants on Both Sides (30)
    • 2.4: Use a General Strategy to Solve Linear Equations (37)
    • 2.5: Solve Equations with Fractions or Decimals (26)
    • 2.6: Solve a Formula for a Specific Variable (31)
    • 2.7: Solve Linear Inequalities (50)
    • 2: Review Exercises

  • Chapter 3: Math Models
    • 3.1: Use a Problem-Solving Strategy (33)
    • 3.2: Solve Percent Applications (58)
    • 3.3: Solve Mixture Applications (25)
    • 3.4: Solve Geometry Applications: Triangles, Rectangles, and the Pythagorean Theorem (43)
    • 3.5: Solve Uniform Motion Applications (18)
    • 3.6: Solve Applications with Linear Inequalities (20)
    • 3: Review Exercises

  • Chapter 4: Graphs
    • 4.1: Use the Rectangular Coordinate System (36)
    • 4.2: Graph Linear Equations in Two Variables (39)
    • 4.3: Graph with Intercepts (39)
    • 4.4: Understand Slope of a Line (36)
    • 4.5: Use the Slope–Intercept Form of an Equation of a Line (60)
    • 4.6: Find the Equation of a Line (60)
    • 4.7: Graphs of Linear Inequalities (46)
    • 4: Review Exercises

  • Chapter 5: Systems of Linear Equations
    • 5.1: Solve Systems of Equations by Graphing (44)
    • 5.2: Solve Systems of Equations by Substitution (38)
    • 5.3: Solve Systems of Equations by Elimination (38)
    • 5.4: Solve Applications with Systems of Equations (28)
    • 5.5: Solve Mixture Applications with Systems of Equations (18)
    • 5.6: Graphing Systems of Linear Inequalities (30)
    • 5: Review Exercises

  • Chapter 6: Polynomials
    • 6.1: Add and Subtract Polynomials (50)
    • 6.2: Use Multiplication Properties of Exponents (47)
    • 6.3: Multiply Polynomials (40)
    • 6.4: Special Products (21)
    • 6.5: Divide Monomials (32)
    • 6.6: Divide Polynomials (32)
    • 6.7: Integer Exponents and Scientific Notation (56)
    • 6: Review Exercises

  • Chapter 7: Factoring
    • 7.1: Greatest Common Factor and Factor by Grouping (28)
    • 7.2: Factor Trinomials of the Form x2 + bx + c (24)
    • 7.3: Factor Trinomials of the Form ax2 + bx + c (37)
    • 7.4: Factor Special Products (25)
    • 7.5: General Strategy for Factoring Polynomials (20)
    • 7.6: Quadratic Equations (22)
    • 7: Review Exercises

  • Chapter 8: Rational Expressions and Equations
    • 8.1: Simplify Rational Expressions (45)
    • 8.2: Multiply and Divide Rational Expressions (30)
    • 8.3: Add and Subtract Rational Expressions with a Common Denominator (20)
    • 8.4: Add and Subtract Rational Expressions with Unlike Denominators (45)
    • 8.5: Simplify Complex Rational Expressions (33)
    • 8.6: Solve Rational Equations (36)
    • 8.7: Solve Proportion and Similar Figure Applications (34)
    • 8.8: Solve Uniform Motion and Work Applications (17)
    • 8.9: Use Direct and Inverse Variation (31)
    • 8: Review Exercises

  • Chapter 9: Roots and Radicals
    • 9.1: Simplify and Use Square Roots (25)
    • 9.2: Simplify Square Roots (52)
    • 9.3: Add and Subtract Square Roots (30)
    • 9.4: Multiply Square Roots (36)
    • 9.5: Divide Square Roots (41)
    • 9.6: Solve Equations with Square Roots (21)
    • 9.7: Higher Roots (34)
    • 9.8: Rational Exponents (44)
    • 9: Review Exercises

  • Chapter 10: Quadratic Equations
    • 10.1: Solve Quadratic Equations Using the Square Root Property (19)
    • 10.2: Solve Quadratic Equations by Completing the Square (24)
    • 10.3: Solve Quadratic Equations Using the Quadratic Formula (26)
    • 10.4: Solve Applications Modeled by Quadratic Equations (14)
    • 10.5: Graphing Quadratic Equations in Two Variables (31)
    • 10: Review Exercises


Cengage is proud to support the open source teaching community through our partnership with OpenStax. Elementary Algebra, 2nd edition, written by Lynn Marecek, MaryAnne Anthony-Smith, and Andrea Honeycutt Mathis, is designed to meet the scope and sequence requirements of a one-semester elementary algebra course. The book's organization makes it easy to adapt to a variety of course syllabi. The text expands on the fundamental concepts of algebra while addressing the needs of students with diverse backgrounds and learning styles. Each topic builds upon previously developed material to demonstrate the cohesiveness and structure of mathematics. The WebAssign online question content for this title is enriched with student learning resources and is offered as a low-cost option.

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  • Instructor resources include Instructor answer guide, Manipulative Mathematics for the Teacher, Instructor getting started guide, Chapter PowerPoint Slides.
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Group Quantity Questions
Chapter 1: Foundations
1.R 5 1034 1035 1038 1039 1067
1.1 37 001 006 008 009 012 016 017 021 022 023 025 028 029 036 039 040 041 042 045 048 050 051 052 056 058 060 062 064 066 067 070 072 074 076 078 930.Tut 931.Tut
1.2 67 083 084 085 088 090 091 092 095 096 098 101 102 103 105 106 109 111 114 115 118 120 121 122 125 128 130 131 133 134 135 138 139 141 143 145 147 148 149 152 155 157 159 161 162 164 166 168 170 171 173 174 176 177 178 179 180 932.Tut 933.Tut 934.Tut 935.Tut 936.Tut 937.Tut 938.Tut 939.Tut 940.Tut 941.Tut 942.Tut
1.3 43 RQ.001 RQ.002 185 186 191 192 195 197 198 202 203 206 207 210 214 215 218 222 223 224 226 228 230 231 235 237 238 239 242 243 244 245 246 250 252 254 256 257 258 259 943.Tut 944.Tut 945.Tut
1.4 39 265 269 272 273 275 277 280 282 286 288 290 292 293 295 299 300 304 306 308 310 312 314 317 318 322 324 325 326 328 330 331 333 335 337 946.Tut 947.Tut 948.Tut 949.Tut 950.Tut
1.5 41 345 348 351 354 356 358 359 361 364 366 369 371 372 373 376 377 379 381 385 387 388 389 391 393 396 398 400 403 405 407 409 410 412 418 420 951.Tut 952.Tut 953.Tut 954.Tut 955.Tut 956.Tut
1.6 46 RQ.001 427 428 429 431 433 434 436 437 443 445 446 448 457 463 465 469 471 472 473 475 476 478 495 496 498 499 502 503 505 509 510 512 513 516 518 519 522 524 525 526 527 528 957.Tut 958.Tut 959.Tut
1.7 60 RQ.001 RQ.002 532 533 538 540 541 545 546 548 552 553 559 560 561 565 569 570 573 575 578 583 585 586 592 593 595 599 601 603 605 607 609 611 613 615 618 620 622 623 625 631 632 634 636 638 640 643 644 646 647 649 650 652 960.Tut 961.Tut 962.Tut 963.Tut 964.Tut 965.Tut
1.8 30 661 666 669 670 671 673 675 677 679 681 683 685 687 692 694 697 698 699 703 705 708 709 712 714 717 718 720 966.Tut 967.Tut 968.Tut
1.9 55 724 726 728 732 733 735 738 740 742 743 745 748 753 755 761 762 763 764 768 770 772 773 776 777 779 781 784 785 788 791 794 795 798 800 802 806 808 810 812 813 815 817 818 819 820 969.Tut 970.Tut 971.Tut 972.Tut 973.Tut 974.Tut 975.Tut 976.Tut 977.Tut 978.Tut
1.10 54 RQ.001 RQ.002 RQ.003 RQ.004 RQ.005 RQ.006 RQ.007 825 827 829 830 832 833 834 836 838 839 842 845 848 850 851 853 855 857 860 863 865 866 868 870 871 874 876 878 880 882 883 885 887 890 891 893 895 896 899 902 904 906 909 910 979.Tut 980.Tut 981.Tut
Chapter 2: Solving Linear Equations and Inequalities
2.1 42 001 003 005 007 010 012 014 016 018 020 022 026 027 030 031 034 036 038 040 041 044 045 048 050 051 053 055 057 060 062 064 065 068 069 071 073 900.Tut 901.Tut 902.Tut 903.Tut 904.Tut 905.Tut
2.2 52 078 080 082 083 085 088 090 091 092 094 096 098 100 102 104 105 107 109 113 116 118 122 123 126 127 129 131 133 135 136 137 139 141 143 145 146 148 153 154 157 159 161 162 164 167 169 170 906.Tut 907.Tut 908.Tut 909.Tut 910.Tut
2.3 30 175 177 179 180 183 185 186 189 191 192 195 197 199 201 203 205 207 209 211 213 215 218 219 221 223 225 226 227 911.Tut 912.Tut
2.4 37 233 234 235 237 238 241 242 244 247 251 253 255 258 259 263 265 266 269 271 273 279 283 285 286 291 293 297 299 301 303 305 309 310 312 313 913.Tut 914.Tut
2.5 26 319 322 323 325 326 328 330 333 335 336 339 341 343 346 348 350 356 358 359 362 365 368 370 915.Tut 916.Tut 917.Tut
2.6 31 376 378 380 382 385 387 389 390 392 395 396 397 399 401 402 405 407 408 410 414 415 416 418 420 422 424 426 427 918.Tut 919.Tut 920.Tut
2.7 50 430 432 434 436 438 441 444 447 449 450 452 456 459 460 463 464 466 470 472 475 476 478 479 480 494 495 496 497 498 500 921.Tut 922.Tut 923.Tut 924.Tut 925.Tut 926.Tut 927.Tut 928.Tut 929.Tut 930.Tut 931.Tut 932.Tut 933.Tut 934.Tut 935.Tut 936.Tut 937.Tut 938.Tut 939.Tut 940.Tut
Chapter 3: Math Models
3.1 33 RQ.001 RQ.002 003 006 008 012 014 015 018 020 022 024 026 028 030 033 034 038 040 042 043 046 047 048 052 056 057 060 061 900.Tut 901.Tut 902.Tut 903.Tut
3.2 58 RQ.001 RQ.002 RQ.003 RQ.004 068 069 074 076 077 080 081 085 088 089 090 091 093 096 098 099 100 102 104 106 111 113 115 117 119 121 122 125 130 132 134 136 137 139 142 143 145 147 150 152 154 155 904.Tut 905.Tut 906.Tut 907.Tut 908.Tut 909.Tut 910.Tut 911.Tut 912.Tut 913.Tut 914.Tut 915.Tut
3.3 25 161 164 166 167 168 171 173 176 178 179 181 182 187 190 192 194 197 200 202 203 204 916.Tut 917.Tut 918.Tut 919.Tut
3.4 43 RQ.001 RQ.002 211 213 215 217 219 221 222 223 226 227 229 230 231 233 235 237 238 239 241 242 244 246 247 249 250 251 255 257 260 264 265 267 269 271 273 278 279 280 920.Tut 921.Tut 922.Tut
3.5 18 RQ.001 RQ.002 284 285 286 288 289 291 294 296 298 300 301 304 305 306 923.Tut 924.Tut
3.6 20 RQ.001 309 310 312 315 318 319 321 325 330 332 334 335 925.Tut 926.Tut 927.Tut 928.Tut 929.Tut 930.Tut 931.Tut
Chapter 4: Graphs
4.1 36 001 004 006 009 011 013 015 017 020 021 023 025 027 030 031 034 035 038 040 042 045 049 900.Tut 901.Tut 902.Tut 903.Tut 904.Tut 905.Tut 906.Tut 907.Tut 908.Tut 909.Tut 910.Tut 911.Tut 912.Tut 913.Tut
4.2 39 056 057 060 061 063 065 068 070 071 073 075 077 078 080 081 083 085 086 089 092 093 097 098 099 102 103 104 108 109 113 115 117 135 136 138 914.Tut 915.Tut 916.Tut 917.Tut
4.3 39 139 141 144 145 146 150 152 153 157 160 162 163 164 166 167 169 172 173 177 179 182 184 185 188 190 191 193 196 198 200 202 203 204 205 918.Tut 919.Tut 920.Tut 921.Tut 922.Tut
4.4 36 227 230 231 233 236 237 240 244 245 248 249 252 255 258 260 262 263 265 266 269 271 273 275 277 279 282 283 923.Tut 924.Tut 925.Tut 926.Tut 927.Tut 927.Tut.SA 928.Tut 929.Tut 930.Tut
4.5 60 288 290 291 293 294 297 298 300 302 305 306 308 310 312 315 317 318 320 322 323 324 327 328 331 332 334 337 339 341 343 344 347 348 351 354 355 357 359 361 362 365 369 370 373 375 376 378 381 382 383 931.Tut 932.Tut 933.Tut 934.Tut 935.Tut 936.Tut 937.Tut 938.Tut 939.Tut 940.Tut
4.6 60 RQ.001 386 389 390 393 395 396 398 401 402 404 405 406 407 408 409 410 412 414 416 419 420 423 424 426 428 430 431 432 434 438 440 443 444 446 449 450 452 454 457 458 461 462 464 466 468 471 472 473 475 477 478 480 941.Tut 942.Tut 943.Tut 944.Tut 945.Tut 946.Tut 947.Tut
4.7 46 504 507 508 510 512 514 517 518 521 522 523 524 525 527 529 530 532 534 535 537 539 540 541 544 547 549 551 552 553 948.Tut 949.Tut 950.Tut 951.Tut 952.Tut 953.Tut 954.Tut 955.Tut 956.Tut 957.Tut 958.Tut 959.Tut 960.Tut 961.Tut 962.Tut 963.Tut 964.Tut
Chapter 5: Systems of Linear Equations
5.1 44 001 002 003 005 009 010 014 015 017 020 022 023 029 031 033 035 036 039 041 043 046 047 048 050 051 054 056 057 059 061 063 064 067 068 900.Tut 901.Tut 902.Tut 903.Tut 904.Tut 905.Tut 906.Tut 907.Tut 908.Tut 909.Tut
5.2 38 071 072 075 078 080 082 083 086 089 091 095 096 098 099 100 103 105 108 111 112 114 116 118 120 122 123 910.Tut 911.Tut 912.Tut 913.Tut 914.Tut 915.Tut 916.Tut 917.Tut 918.Tut 919.Tut 920.Tut 921.Tut
5.3 38 127 129 130 133 134 135 137 138 140 141 143 145 146 149 150 153 155 157 158 162 164 165 167 169 171 174 175 176 178 179 180 922.Tut 923.Tut 924.Tut 925.Tut 926.Tut 927.Tut 928.Tut
5.4 28 RQ.001 RQ.002 183 188 194 196 197 202 204 205 207 210 218 220 221 223 225 227 230 235 236 929.Tut 930.Tut 931.Tut 932.Tut 933.Tut 934.Tut 935.Tut
5.5 18 242 244 245 246 249 255 258 261 266 267 268 270 936.Tut 937.Tut 938.Tut 939.Tut 940.Tut 941.Tut
5.6 30 277 280 281 284 285 289 292 294 295 298 302 304 305 308 309 310 314 315 318 319 322 323 942.Tut 943.Tut 944.Tut 945.Tut 946.Tut 947.Tut 948.Tut 949.Tut
Chapter 6: Polynomials
6.1 50 001 002 003 006 008 010 011 014 015 018 024 029 031 033 035 038 039 041 045 047 049 052 053 056 059 064 066 067 069 071.Tut 073 074 076 078 079 080 082 083 900.Tut 901.Tut 902.Tut 903.Tut 904.Tut 905.Tut 906.Tut 907.Tut 908.Tut 909.Tut 910.Tut 911.Tut
6.2 47 092 095 097 098 102 105 106 110 113 115 116 118 122 124 126 129 130 132 133 134 137 140 141 144 146 150 152 154 156 159 161 164 165 166 168 912.Tut 913.Tut 914.Tut 915.Tut 916.Tut 917.Tut 918.Tut 919.Tut 920.Tut 921.Tut 922.Tut 923.Tut
6.3 40 174 180 191 196 204 212 213 220 223 226 228 231 233 235 238 239 243 245 249 250 251 256 257 260 261 262 263 264 267 270 271 273 294 924.Tut 925.Tut 926.Tut 927.Tut 928.Tut 929.Tut 930.Tut
6.4 21 302 305 307 311 312 317 319 320 322 324 327 330 336 338 341 345 348 931.Tut 932.Tut 933.Tut 934.Tut
6.5 32 359 360 363 365 367 368 371 373 374 376 379 386 391 398 400 405 407 408 412 413 416 418 420 436 437 935.Tut 936.Tut 937.Tut 938.Tut 939.Tut 940.Tut 941.Tut
6.6 32 442 445 447 448 450 452 454 457 459 463 466 469 470 471 475 477 478 481 482 485 487 488 490 492 494 496 497 942.Tut 943.Tut 944.Tut 945.Tut 946.Tut
6.7 56 RQ.001 500 502 504 508 510 512 514 516 519 520 524 526 529 531 532 535 538 541 542 544 546 548 550 555 557 559 560 565 566 569 570 573 574 575 576 577 578 579 580 581 582 585 947.Tut 948.Tut 949.Tut 950.Tut 951.Tut 952.Tut 953.Tut 954.Tut 955.Tut 956.Tut 957.Tut 958.Tut 959.Tut
Chapter 7: Factoring
7.1 28 002 003.Tut 004 005 008 010 013 017 018 020 025 028 029 033 034 036 037 039 043 045 047 051 060 900.Tut 901.Tut 902.Tut 903.Tut 904.Tut
7.2 24 064 069 074 075 077 081 085 088 091 093 094 095 097 103 104 107 109 129 905.Tut 906.Tut 907.Tut 908.Tut 909.Tut 910.Tut
7.3 37 135 137 139 142 143 144 145 147 149 151 155 158 159 160 164 165 167 171 174 175 177 180 181 182 184 186 188 209 210 911.Tut 912.Tut 913.Tut 914.Tut 915.Tut 916.Tut 917.Tut 918.Tut
7.4 25 215 219 221 224 229 233 236 238 241 244 245 246 249 251 253 255 257 258 273 274 919.Tut 920.Tut 921.Tut 922.Tut 923.Tut
7.5 20 282 284 285 286 287 288 289 291 293 295 297 299 302 304 305 307 309 310 311 312
7.6 22 315 318 320 322 323 325 326 327 329 330 332 333 336 337 339 341 343 346 347 924.Tut 925.Tut 926.Tut
Chapter 8: Rational Expressions and Equations
8.1 45 001 004 006 007 010 011 015 018 020 022 024 025 028 030 033 035 037 039 042 043 045 046 048 049 051 053 056 057 059 062 064 065 070 900.Tut 901.Tut 902.Tut 903.Tut 904.Tut 905.Tut 906.Tut 907.Tut 908.Tut 909.Tut 910.Tut 911.Tut
8.2 30 074 076 077 078 081 084 086 087 089 092 094 098 099 102 105 107 110 111 114 116 117 120 122 125 126 912.Tut 913.Tut 914.Tut 915.Tut 916.Tut
8.3 20 130 132 133 135 140 141 144 145 147 150 151 156 157 159 161 164 917.Tut 918.Tut 919.Tut 920.Tut
8.4 45 169 171 173 177 180 183 186 188 189 192 194 197 200 201 205 209 212 216 217 220 221 224 226 229 233 236 237 239 242 247 249 251 252 921.Tut 922.Tut 923.Tut 924.Tut 925.Tut 926.Tut 927.Tut 928.Tut 929.Tut 930.Tut 931.Tut 932.Tut
8.5 33 255 258 259 261 263 267 269 271 274 275 278 281 284 285 287 289 291 292 293 294 295 296 297 298 299 933.Tut 934.Tut 935.Tut 936.Tut 937.Tut 938.Tut 939.Tut 940.Tut
8.6 36 304 305 308 309 311 313 316 317 319 322 323 327 331 335 339 343 345 348 350 351 355 356 361 362 941.Tut 942.Tut 943.Tut 944.Tut 945.Tut 946.Tut 947.Tut 948.Tut 949.Tut 950.Tut 951.Tut 952.Tut
8.7 34 RQ.001 RQ.002 365 368 370 372 373 376 378 382 385 387 390 392 394 397 400 404 406 407 409 412 416 418 419 421 424 426 953.Tut 954.Tut 955.Tut 956.Tut 957.Tut 958.Tut
8.8 17 429 434 435 436 439 442 444 445 447 453 455 457 458 460 959.Tut 960.Tut 961.Tut
8.9 31 463 466 468 470 471 472 473 474 477 478 479 481 483 485 487 488 490 491 493 500 501 503 505 962.Tut 963.Tut 964.Tut 965.Tut 966.Tut 967.Tut 968.Tut 969.Tut
Chapter 9: Roots and Radicals
9.1 25 001 003 007 011 012 013 016 018 019 021 023 025 027 029 032 034 037 041 044 048 049 050 900.Tut 901.Tut 902.Tut
9.2 52 053 055 057 059 062 063 066 069 071 073 075 077 078 079 082 084 086 088 089 090 093 095 097 099 101 103 105 107 109 111 113 115 117 119 122 124 127 129 132 133 136 137 139 140 141 142 903.Tut 904.Tut 905.Tut 906.Tut 907.Tut 908.Tut
9.3 30 145 149 151 153 157 159 161 163 165 169 171 173 176 177 179 181 183 185 189 191 193 194 197 200 201 203 208 229 230 909.Tut
9.4 36 233 235 237 239 241 243 245 248 249 254 256 259 261 262 264 267 268 270 274 276 278 280 282 284 286 288 290 292 298 312 313 910.Tut 911.Tut 912.Tut 913.Tut 914.Tut
9.5 41 317 319 322 324 325 327 329 331 337 340 342 343 345 348 349 351 353 355 359 360 363 367 370 371 373 375 376 378 379 380 381 384 385 386 915.Tut 916.Tut 917.Tut 918.Tut 919.Tut 920.Tut 921.Tut
9.6 21 389 391 393 395 397 401 402 404 407 408 412 418 419 421 423 426 428 430 432 435 436
9.7 34 442 444 446 449 450 452 454 456 458 459 461 462 463 466 467 470 472 476 478 479 482 485 487 489 490 493 494 922.Tut 923.Tut 924.Tut 925.Tut 926.Tut 927.Tut 928.Tut
9.8 44 524 527 528 530 532 536 537 540 542 543 544 550 552 554 560 562 564 566 569 570 573 576 578 582 585 589 590 591 592 594 596 598 600 603 929.Tut 930.Tut 931.Tut 932.Tut 933.Tut 934.Tut 935.Tut 936.Tut 937.Tut 938.Tut
Chapter 10: Quadratic Equations
10.1 19 002 004 006 007 009 011 014 015 017 019 021 023 025 029 053 054 900.Tut 901.Tut 902.Tut
10.2 24 057 061 063 065 069 072 075 077 081 082 083 084 087 088 090 091 094 095 096 903.Tut 904.Tut 905.Tut 906.Tut 907.Tut
10.3 26 099 100 101 104 107 108 109 111 113 115 117 120 122 124 128 131 133 135 138 139 140 908.Tut 909.Tut 910.Tut 911.Tut 912.Tut
10.4 14 143 147 148 149 151 155 158 913.Tut 914.Tut 915.Tut 916.Tut 917.Tut 918.Tut 919.Tut
10.5 31 163 164 165 167 169 170 172 173 174 175 177 178 182 183 184 186 188 193 194 197 198 199 201 202 206 208 209 920.Tut 921.Tut 922.Tut 923.Tut
Total 2576