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Grade 9 practice chapters

1. Grade 9 · Chapter 581

   Explain a binomial area product · practice 62

   Evaluate (x + 3)(x + 6) at x = 4 by finding all four rectangle-area parts. Follow the calculation, then test the quantities in the animated example.

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2. Grade 9 · Chapter 582

   Preserve function-machine order · practice 64

   Let f(u) = 2u + (-5) and g(u) = u². Find f(g(1)) and g(f(1)). Follow the calculation, then test the quantities in the animated example.

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3. Grade 9 · Chapter 583

   Solve a two-direction distance condition · practice 62

   Solve |x − (8)| = 1. Follow the calculation, then test the quantities in the animated example.

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4. Grade 9 · Chapter 584

   Compare repeated growth factors · practice 64

   Start at 8 and apply a 35% 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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5. Grade 9 · Chapter 585

   Verify an algebraic solution · practice 65

   Solve 2x + (-10) = 40, then check by substitution. Follow the calculation, then test the quantities in the animated example.

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6. Grade 9 · Chapter 586

   Test a complete solution ray · practice 64

   Solve 8x ≤ -6, including the boundary. Follow the calculation, then test the quantities in the animated example.

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7. Grade 9 · Chapter 587

   Interpret signed slope and intercept · practice 62

   For the line y = -4x + (9), 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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8. Grade 9 · Chapter 588

   Classify line-system outcomes · practice 65

   Solve the simultaneous equations y = 2x and y = 2x + (-1). Classify the number of solutions. Follow the calculation, then test the quantities in the animated example.

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9. Grade 9 · Chapter 589

   Connect symmetry and quadratic values · practice 65

   For y = -2(x − (-2))² + (-3.5), find y at x = 2 and identify the vertex. Follow the calculation, then test the quantities in the animated example.

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10. Grade 9 · Chapter 590

    Explain a binomial area product · practice 63

    Evaluate (x + 1)(x + 3) at x = 5.5 by finding all four rectangle-area parts. Follow the calculation, then test the quantities in the animated example.

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11. Grade 9 · Chapter 591

    Preserve function-machine order · practice 65

    Let f(u) = 1u + (2) and g(u) = u². Find f(g(-2.5)) and g(f(-2.5)). Follow the calculation, then test the quantities in the animated example.

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12. Grade 9 · Chapter 592

    Solve a two-direction distance condition · practice 63

    Solve |x − (-1)| = 6.5. Follow the calculation, then test the quantities in the animated example.

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13. Grade 9 · Chapter 593

    Compare repeated growth factors · practice 65

    Start at 9 and apply a 30% change during each of 4 complete periods. Find the final amount. Follow the calculation, then test the quantities in the animated example.

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14. Grade 9 · Chapter 594

    Verify an algebraic solution · practice 66

    Solve 1x + (-5) = 28, then check by substitution. Follow the calculation, then test the quantities in the animated example.

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15. Grade 9 · Chapter 595

    Test a complete solution ray · practice 65

    Solve 2x ≤ 18, including the boundary. Follow the calculation, then test the quantities in the animated example.

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16. Grade 9 · Chapter 596

    Interpret signed slope and intercept · practice 63

    For the line y = 3.5x + (-8), 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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17. Grade 9 · Chapter 597

    Classify line-system outcomes · practice 66

    Solve the simultaneous equations y = -1x and y = -1x + (-7). Classify the number of solutions. Follow the calculation, then test the quantities in the animated example.

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18. Grade 9 · Chapter 598

    Connect symmetry and quadratic values · practice 66

    For y = 0.5(x − (1))² + (1.5), find y at x = 2 and identify the vertex. Follow the calculation, then test the quantities in the animated example.

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19. Grade 9 · Chapter 599

    Explain a binomial area product · practice 64

    Evaluate (x + 7)(x + 7) at x = 1 by finding all four rectangle-area parts. Follow the calculation, then test the quantities in the animated example.

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20. Grade 9 · Chapter 600

    Preserve function-machine order · practice 66

    Let f(u) = 4u + (-5) and g(u) = u². Find f(g(3)) and g(f(3)). Follow the calculation, then test the quantities in the animated example.

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