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Grade 9 practice chapters

1. Grade 9 · Chapter 461

   Solve a two-direction distance condition · practice 49

   Solve |x − (7)| = 7.5. Follow the calculation, then test the quantities in the animated example.

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2. Grade 9 · Chapter 462

   Compare repeated growth factors · practice 50

   Start at 3 and apply a 20% change during each of 5 complete periods. Find the final amount. Follow the calculation, then test the quantities in the animated example.

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3. Grade 9 · Chapter 463

   Verify an algebraic solution · practice 51

   Solve 8x + (-4) = 43, then check by substitution. Follow the calculation, then test the quantities in the animated example.

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4. Grade 9 · Chapter 464

   Test a complete solution ray · practice 51

   Solve -4x ≤ 12, including the boundary. Follow the calculation, then test the quantities in the animated example.

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5. Grade 9 · Chapter 465

   Interpret signed slope and intercept · practice 48

   For the line y = 2.5x + (-2), find y when x = 3 and identify the slope and vertical intercept. Follow the calculation, then test the quantities in the animated example.

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6. Grade 9 · Chapter 466

   Classify line-system outcomes · practice 51

   Solve the simultaneous equations y = -1.5x and y = -1.5x + (5). Classify the number of solutions. Follow the calculation, then test the quantities in the animated example.

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7. Grade 9 · Chapter 467

   Connect symmetry and quadratic values · practice 51

   For y = -1.5(x − (-2.5))² + (-2.5), find y at x = 2 and identify the vertex. Follow the calculation, then test the quantities in the animated example.

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8. Grade 9 · Chapter 468

   Explain a binomial area product · practice 51

   Evaluate (x + 3)(x + 5) at x = 5 by finding all four rectangle-area parts. Follow the calculation, then test the quantities in the animated example.

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9. Grade 9 · Chapter 469

   Preserve function-machine order · practice 51

   Let f(u) = 4u + (4) and g(u) = u². Find f(g(3.5)) and g(f(3.5)). Follow the calculation, then test the quantities in the animated example.

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10. Grade 9 · Chapter 470

    Solve a two-direction distance condition · practice 50

    Solve |x − (-2)| = 4.5. Follow the calculation, then test the quantities in the animated example.

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11. Grade 9 · Chapter 471

    Compare repeated growth factors · practice 51

    Start at 4 and apply a 15% change during each of 2 complete periods. Find the final amount. Follow the calculation, then test the quantities in the animated example.

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12. Grade 9 · Chapter 472

    Verify an algebraic solution · practice 52

    Solve 7x + (1) = 31, then check by substitution. Follow the calculation, then test the quantities in the animated example.

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13. Grade 9 · Chapter 473

    Test a complete solution ray · practice 52

    Solve 6x ≤ -14, including the boundary. Follow the calculation, then test the quantities in the animated example.

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14. Grade 9 · Chapter 474

    Interpret signed slope and intercept · practice 49

    For the line y = 1x + (-5), find y when x = 3 and identify the slope and vertical intercept. Follow the calculation, then test the quantities in the animated example.

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15. Grade 9 · Chapter 475

    Classify line-system outcomes · practice 52

    Solve the simultaneous equations y = 2x and y = 1.5x + (-2). Classify the number of solutions. Follow the calculation, then test the quantities in the animated example.

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16. Grade 9 · Chapter 476

    Connect symmetry and quadratic values · practice 52

    For y = 1(x − (0.5))² + (2.5), find y at x = 2 and identify the vertex. Follow the calculation, then test the quantities in the animated example.

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17. Grade 9 · Chapter 477

    Preserve function-machine order · practice 52

    Let f(u) = 3u + (-2) and g(u) = u². Find f(g(0.5)) and g(f(0.5)). Follow the calculation, then test the quantities in the animated example.

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18. Grade 9 · Chapter 478

    Solve a two-direction distance condition · practice 51

    Solve |x − (6)| = 1. Follow the calculation, then test the quantities in the animated example.

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19. Grade 9 · Chapter 479

    Compare repeated growth factors · practice 52

    Start at 5 and apply a 10% change during each of 7 complete periods. Find the final amount. Follow the calculation, then test the quantities in the animated example.

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20. Grade 9 · Chapter 480

    Verify an algebraic solution · practice 53

    Solve 6x + (6) = 19, then check by substitution. Follow the calculation, then test the quantities in the animated example.

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