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Grade 9 practice chapters

1. Grade 9 · Chapter 101

   Explain a binomial area product · practice 11

   Evaluate (x + 1)(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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2. Grade 9 · Chapter 102

   Connect powers and reciprocals · practice 8

   Evaluate 3 raised to the integer power 1. Follow the calculation, then test the quantities in the animated example.

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3. Grade 9 · Chapter 103

   Preserve function-machine order · practice 11

   Let f(u) = 1u + (1) 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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4. Grade 9 · Chapter 104

   Solve a two-direction distance condition · practice 11

   Solve |x − (2)| = 5.5. Follow the calculation, then test the quantities in the animated example.

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5. Grade 9 · Chapter 105

   Compare repeated growth factors · practice 11

   Start at 2 and apply a 35% 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 106

   Verify an algebraic solution · practice 12

   Solve 7x + (6) = 17, then check by substitution. Follow the calculation, then test the quantities in the animated example.

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7. Grade 9 · Chapter 107

   Test a complete solution ray · practice 12

   Solve -6x ≤ -13, including the boundary. Follow the calculation, then test the quantities in the animated example.

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8. Grade 9 · Chapter 108

   Classify line-system outcomes · practice 12

   Solve the simultaneous equations y = 1.5x and y = 0x + (8). Classify the number of solutions. Follow the calculation, then test the quantities in the animated example.

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9. Grade 9 · Chapter 109

   Connect symmetry and quadratic values · practice 12

   For y = 1(x − (2.5))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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10. Grade 9 · Chapter 110

    Explain a binomial area product · practice 12

    Evaluate (x + 4)(x + 5) at x = 1.5 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 111

    Connect powers and reciprocals · practice 9

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

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12. Grade 9 · Chapter 112

    Preserve function-machine order · practice 12

    Let f(u) = 4u + (-6) 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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13. Grade 9 · Chapter 113

    Solve a two-direction distance condition · practice 12

    Solve |x − (-7)| = 2.5. Follow the calculation, then test the quantities in the animated example.

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14. Grade 9 · Chapter 114

    Compare repeated growth factors · practice 12

    Start at 3 and apply a 30% 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 115

    Verify an algebraic solution · practice 13

    Solve 6x + (11) = 5, then check by substitution. Follow the calculation, then test the quantities in the animated example.

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16. Grade 9 · Chapter 116

    Test a complete solution ray · practice 13

    Solve -8x ≤ 10, including the boundary. Follow the calculation, then test the quantities in the animated example.

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17. Grade 9 · Chapter 117

    Interpret signed slope and intercept · practice 10

    For the line y = -1.5x + (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 118

    Classify line-system outcomes · practice 13

    Solve the simultaneous equations y = -1.5x and y = -3x + (2). Classify the number of solutions. Follow the calculation, then test the quantities in the animated example.

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19. Grade 9 · Chapter 119

    Connect symmetry and quadratic values · practice 13

    For y = -1(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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20. Grade 9 · Chapter 120

    Explain a binomial area product · practice 13

    Evaluate (x + 2)(x + 2) 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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