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Grade 9 practice chapters

1. Grade 9 · Chapter 81

   Classify line-system outcomes · practice 9

   Solve the simultaneous equations y = -3x and y = -3x + (7). Classify the number of solutions. Follow the calculation, then test the quantities in the animated example.

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2. Grade 9 · Chapter 82

   Connect symmetry and quadratic values · practice 9

   For y = -2(x − (-0.5))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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3. Grade 9 · Chapter 83

   Explain a binomial area product · practice 9

   Evaluate (x + 5)(x + 5) 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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4. Grade 9 · Chapter 84

   Connect powers and reciprocals · practice 6

   Evaluate 5 raised to the integer power 3. Follow the calculation, then test the quantities in the animated example.

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5. Grade 9 · Chapter 85

   Preserve function-machine order · practice 9

   Let f(u) = 3u + (0) 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 86

   Solve a two-direction distance condition · practice 9

   Solve |x − (3)| = 3.5. Follow the calculation, then test the quantities in the animated example.

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7. Grade 9 · Chapter 87

   Compare repeated growth factors · practice 9

   Start at 10 and apply a 40% 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 88

   Verify an algebraic solution · practice 10

   Solve 1x + (-3) = 41, then check by substitution. Follow the calculation, then test the quantities in the animated example.

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9. Grade 9 · Chapter 89

   Test a complete solution ray · practice 10

   Solve 2x ≤ -10, including the boundary. Follow the calculation, then test the quantities in the animated example.

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10. Grade 9 · Chapter 90

    Classify line-system outcomes · practice 10

    Solve the simultaneous equations y = 0.5x and y = 0x + (0). Classify the number of solutions. Follow the calculation, then test the quantities in the animated example.

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11. Grade 9 · Chapter 91

    Connect symmetry and quadratic values · practice 10

    For y = 0.5(x − (2.5))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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12. Grade 9 · Chapter 92

    Explain a binomial area product · practice 10

    Evaluate (x + 6)(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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13. Grade 9 · Chapter 93

    Connect powers and reciprocals · practice 7

    Evaluate 4 raised to the integer power 2. Follow the calculation, then test the quantities in the animated example.

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14. Grade 9 · Chapter 94

    Preserve function-machine order · practice 10

    Let f(u) = 2u + (-6) and g(u) = u². Find f(g(4)) and g(f(4)). Follow the calculation, then test the quantities in the animated example.

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15. Grade 9 · Chapter 95

    Solve a two-direction distance condition · practice 10

    Solve |x − (-6)| = 0.5. Follow the calculation, then test the quantities in the animated example.

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16. Grade 9 · Chapter 96

    Compare repeated growth factors · practice 10

    Start at 1 and apply a 40% 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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17. Grade 9 · Chapter 97

    Verify an algebraic solution · practice 11

    Solve 8x + (1) = 29, then check by substitution. Follow the calculation, then test the quantities in the animated example.

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18. Grade 9 · Chapter 98

    Test a complete solution ray · practice 11

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

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19. Grade 9 · Chapter 99

    Classify line-system outcomes · practice 11

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

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20. Grade 9 · Chapter 100

    Connect symmetry and quadratic values · practice 11

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

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