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Grade 9 practice chapters

1. Grade 9 · Chapter 161

   Connect powers and reciprocals · practice 14

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

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2. Grade 9 · Chapter 162

   Preserve function-machine order · practice 17

   Let f(u) = 3u + (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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3. Grade 9 · Chapter 163

   Solve a two-direction distance condition · practice 17

   Solve |x − (-1)| = 3. Follow the calculation, then test the quantities in the animated example.

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4. Grade 9 · Chapter 164

   Compare repeated growth factors · practice 17

   Start at 8 and apply a 5% 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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5. Grade 9 · Chapter 165

   Verify an algebraic solution · practice 18

   Solve 1x + (11) = 27, then check by substitution. Follow the calculation, then test the quantities in the animated example.

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6. Grade 9 · Chapter 166

   Test a complete solution ray · practice 18

   Solve 2x ≤ -20, including the boundary. Follow the calculation, then test the quantities in the animated example.

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7. Grade 9 · Chapter 167

   Interpret signed slope and intercept · practice 15

   For the line y = 2.5x + (0), 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 168

   Classify line-system outcomes · practice 18

   Solve the simultaneous equations y = -2x and y = 0.5x + (-2). Classify the number of solutions. Follow the calculation, then test the quantities in the animated example.

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9. Grade 9 · Chapter 169

   Connect symmetry and quadratic values · practice 18

   For y = 0.5(x − (-0.5))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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10. Grade 9 · Chapter 170

    Explain a binomial area product · practice 18

    Evaluate (x + 2)(x + 5) at x = 2.5 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 171

    Connect powers and reciprocals · practice 15

    Evaluate 5 raised to the integer power -1. Follow the calculation, then test the quantities in the animated example.

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12. Grade 9 · Chapter 172

    Preserve function-machine order · practice 18

    Let f(u) = 2u + (-4) and g(u) = u². Find f(g(3.5)) and g(f(3.5)). Follow the calculation, then test the quantities in the animated example.

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13. Grade 9 · Chapter 173

    Solve a two-direction distance condition · practice 18

    Solve |x − (7)| = 8. Follow the calculation, then test the quantities in the animated example.

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14. Grade 9 · Chapter 174

    Compare repeated growth factors · practice 18

    Start at 10 and apply a -5% 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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15. Grade 9 · Chapter 175

    Verify an algebraic solution · practice 19

    Solve 8x + (-10) = 16, then check by substitution. Follow the calculation, then test the quantities in the animated example.

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16. Grade 9 · Chapter 176

    Test a complete solution ray · practice 19

    Solve 4x ≤ 3, including the boundary. Follow the calculation, then test the quantities in the animated example.

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17. Grade 9 · Chapter 177

    Interpret signed slope and intercept · practice 16

    For the line y = 1x + (-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 178

    Classify line-system outcomes · practice 19

    Solve the simultaneous equations y = 1.5x and y = -3x + (-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 179

    Connect symmetry and quadratic values · practice 19

    For y = -1.5(x − (3))² + (3.5), 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 180

    Explain a binomial area product · practice 19

    Evaluate (x + 3)(x + 8) 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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