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Grade 9 practice chapters

1. Grade 9 · Chapter 141

   Connect powers and reciprocals · practice 12

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

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2. Grade 9 · Chapter 142

   Preserve function-machine order · practice 15

   Let f(u) = 1u + (2) 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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3. Grade 9 · Chapter 143

   Solve a two-direction distance condition · practice 15

   Solve |x − (0)| = 1. Follow the calculation, then test the quantities in the animated example.

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4. Grade 9 · Chapter 144

   Compare repeated growth factors · practice 15

   Start at 6 and apply a 15% change during each of 6 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 145

   Verify an algebraic solution · practice 16

   Solve 3x + (1) = 51, then check by substitution. Follow the calculation, then test the quantities in the animated example.

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6. Grade 9 · Chapter 146

   Test a complete solution ray · practice 16

   Solve -6x ≤ -18, including the boundary. Follow the calculation, then test the quantities in the animated example.

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7. Grade 9 · Chapter 147

   Interpret signed slope and intercept · practice 13

   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 148

   Classify line-system outcomes · practice 16

   Solve the simultaneous equations y = 0x and y = -3x + (-3). Classify the number of solutions. Follow the calculation, then test the quantities in the animated example.

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9. Grade 9 · Chapter 149

   Connect symmetry and quadratic values · practice 16

   For y = 2(x − (2.5))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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10. Grade 9 · Chapter 150

    Explain a binomial area product · practice 16

    Evaluate (x + 1)(x + 2) 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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11. Grade 9 · Chapter 151

    Connect powers and reciprocals · practice 13

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

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12. Grade 9 · Chapter 152

    Preserve function-machine order · practice 16

    Let f(u) = 4u + (-5) 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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13. Grade 9 · Chapter 153

    Solve a two-direction distance condition · practice 16

    Solve |x − (8)| = 6. Follow the calculation, then test the quantities in the animated example.

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14. Grade 9 · Chapter 154

    Compare repeated growth factors · practice 16

    Start at 7 and apply a 10% change during each of 3 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 155

    Verify an algebraic solution · practice 17

    Solve 2x + (6) = 39, then check by substitution. Follow the calculation, then test the quantities in the animated example.

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16. Grade 9 · Chapter 156

    Test a complete solution ray · practice 17

    Solve -8x ≤ 5, including the boundary. Follow the calculation, then test the quantities in the animated example.

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17. Grade 9 · Chapter 157

    Interpret signed slope and intercept · practice 14

    For the line y = 4x + (3), 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 158

    Classify line-system outcomes · practice 17

    Solve the simultaneous equations y = 1x and y = -3x + (5). Classify the number of solutions. Follow the calculation, then test the quantities in the animated example.

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19. Grade 9 · Chapter 159

    Connect symmetry and quadratic values · practice 17

    For y = -2(x − (3))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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20. Grade 9 · Chapter 160

    Explain a binomial area product · practice 17

    Evaluate (x + 4)(x + 8) 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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