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Grade 9 practice chapters

1. Grade 9 · Chapter 621

   Test a complete solution ray · practice 68

   Solve 8x ≤ -11, including the boundary. Follow the calculation, then test the quantities in the animated example.

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2. Grade 9 · Chapter 622

   Classify line-system outcomes · practice 69

   Solve the simultaneous equations y = -3x and y = 2.5x + (-6). Classify the number of solutions. Follow the calculation, then test the quantities in the animated example.

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3. Grade 9 · Chapter 623

   Connect symmetry and quadratic values · practice 69

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

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4. Grade 9 · Chapter 624

   Explain a binomial area product · practice 67

   Evaluate (x + 1)(x + 6) 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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5. Grade 9 · Chapter 625

   Preserve function-machine order · practice 69

   Let f(u) = 1u + (3) and g(u) = u². Find f(g(1.5)) and g(f(1.5)). Follow the calculation, then test the quantities in the animated example.

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6. Grade 9 · Chapter 626

   Solve a two-direction distance condition · practice 67

   Solve |x − (5)| = 7. Follow the calculation, then test the quantities in the animated example.

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7. Grade 9 · Chapter 627

   Compare repeated growth factors · practice 69

   Start at 3 and apply a 15% change during each of 8 complete periods. Find the final amount. Follow the calculation, then test the quantities in the animated example.

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8. Grade 9 · Chapter 628

   Verify an algebraic solution · practice 70

   Solve 5x + (-11) = -19, then check by substitution. Follow the calculation, then test the quantities in the animated example.

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9. Grade 9 · Chapter 629

   Test a complete solution ray · practice 69

   Solve 2x ≤ 13, including the boundary. Follow the calculation, then test the quantities in the animated example.

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10. Grade 9 · Chapter 630

    Classify line-system outcomes · practice 70

    Solve the simultaneous equations y = -2x and y = 2.5x + (2). Classify the number of solutions. Follow the calculation, then test the quantities in the animated example.

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11. Grade 9 · Chapter 631

    Connect symmetry and quadratic values · practice 70

    For y = 1.5(x − (1))² + (-3), find y at x = 2 and identify the vertex. Follow the calculation, then test the quantities in the animated example.

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12. Grade 9 · Chapter 632

    Explain a binomial area product · practice 68

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

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13. Grade 9 · Chapter 633

    Preserve function-machine order · practice 70

    Let f(u) = 4u + (-4) and g(u) = u². Find f(g(-1.5)) and g(f(-1.5)). Follow the calculation, then test the quantities in the animated example.

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14. Grade 9 · Chapter 634

    Solve a two-direction distance condition · practice 68

    Solve |x − (-4)| = 4. Follow the calculation, then test the quantities in the animated example.

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15. Grade 9 · Chapter 635

    Compare repeated growth factors · practice 70

    Start at 4 and apply a 10% 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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16. Grade 9 · Chapter 636

    Verify an algebraic solution · practice 71

    Solve 4x + (-6) = 50, then check by substitution. Follow the calculation, then test the quantities in the animated example.

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17. Grade 9 · Chapter 637

    Test a complete solution ray · practice 70

    Solve -4x ≤ -13, including the boundary. Follow the calculation, then test the quantities in the animated example.

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18. Grade 9 · Chapter 638

    Interpret signed slope and intercept · practice 65

    For the line y = -2x + (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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19. Grade 9 · Chapter 639

    Classify line-system outcomes · practice 71

    Solve the simultaneous equations y = 1.5x and y = -1x + (-4). Classify the number of solutions. Follow the calculation, then test the quantities in the animated example.

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20. Grade 9 · Chapter 640

    Connect symmetry and quadratic values · practice 71

    For y = -0.5(x − (-2))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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