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Grade 9 practice chapters

1. Grade 9 · Chapter 701

   Connect symmetry and quadratic values · practice 77

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

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2. Grade 9 · Chapter 702

   Explain a binomial area product · practice 76

   Evaluate (x + 1)(x + 4) at x = 4.5 by finding all four rectangle-area parts. Follow the calculation, then test the quantities in the animated example.

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3. Grade 9 · Chapter 703

   Preserve function-machine order · practice 78

   Let f(u) = 4u + (-2) and g(u) = u². Find f(g(-2)) and g(f(-2)). Follow the calculation, then test the quantities in the animated example.

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4. Grade 9 · Chapter 704

   Solve a two-direction distance condition · practice 76

   Solve |x − (-8)| = 3.5. Follow the calculation, then test the quantities in the animated example.

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5. Grade 9 · Chapter 705

   Compare repeated growth factors · practice 78

   Start at 3 and apply a -30% 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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6. Grade 9 · Chapter 706

   Verify an algebraic solution · practice 79

   Solve 4x + (8) = 36, then check by substitution. Follow the calculation, then test the quantities in the animated example.

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7. Grade 9 · Chapter 707

   Test a complete solution ray · practice 77

   Solve -4x ≤ -23, including the boundary. Follow the calculation, then test the quantities in the animated example.

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8. Grade 9 · Chapter 708

   Interpret signed slope and intercept · practice 73

   For the line y = -1.5x + (6), 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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9. Grade 9 · Chapter 709

   Classify line-system outcomes · practice 79

   Solve the simultaneous equations y = -1x and y = -0.5x + (-6). Classify the number of solutions. Follow the calculation, then test the quantities in the animated example.

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10. Grade 9 · Chapter 710

    Connect symmetry and quadratic values · practice 78

    For y = -0.5(x − (1.5))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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11. Grade 9 · Chapter 711

    Explain a binomial area product · practice 77

    Evaluate (x + 7)(x + 8) 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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12. Grade 9 · Chapter 712

    Preserve function-machine order · practice 79

    Let f(u) = 3u + (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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13. Grade 9 · Chapter 713

    Solve a two-direction distance condition · practice 77

    Solve |x − (8)| = 5. Follow the calculation, then test the quantities in the animated example.

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14. Grade 9 · Chapter 714

    Compare repeated growth factors · practice 79

    Start at 4 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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15. Grade 9 · Chapter 715

    Verify an algebraic solution · practice 80

    Solve 3x + (-12) = 25, then check by substitution. Follow the calculation, then test the quantities in the animated example.

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16. Grade 9 · Chapter 716

    Test a complete solution ray · practice 78

    Solve -6x ≤ 0, including the boundary. Follow the calculation, then test the quantities in the animated example.

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17. Grade 9 · Chapter 717

    Interpret signed slope and intercept · practice 74

    For the line y = -2.5x + (-10), 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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18. Grade 9 · Chapter 718

    Classify line-system outcomes · practice 80

    Solve the simultaneous equations y = 3x and y = 2.5x + (8). Classify the number of solutions. Follow the calculation, then test the quantities in the animated example.

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19. Grade 9 · Chapter 719

    Connect symmetry and quadratic values · practice 79

    For y = 2(x − (-2))² + (4), find y at x = 2 and identify the vertex. Follow the calculation, then test the quantities in the animated example.

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20. Grade 9 · Chapter 720

    Explain a binomial area product · practice 78

    Evaluate (x + 2)(x + 7) at x = 3.5 by finding all four rectangle-area parts. Follow the calculation, then test the quantities in the animated example.

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