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Grade 9 practice chapters

1. Grade 9 · Chapter 321

   Test a complete solution ray · practice 35

   Solve 4x ≤ -17, including the boundary. Follow the calculation, then test the quantities in the animated example.

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2. Grade 9 · Chapter 322

   Interpret signed slope and intercept · practice 32

   For the line y = 3x + (7), 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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3. Grade 9 · Chapter 323

   Classify line-system outcomes · practice 35

   Solve the simultaneous equations y = -0.5x and y = 1x + (-6). Classify the number of solutions. Follow the calculation, then test the quantities in the animated example.

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4. Grade 9 · Chapter 324

   Connect symmetry and quadratic values · practice 35

   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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5. Grade 9 · Chapter 325

   Explain a binomial area product · practice 35

   Evaluate (x + 5)(x + 7) at x = 4.5 by finding all four rectangle-area parts. Follow the calculation, then test the quantities in the animated example.

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6. Grade 9 · Chapter 326

   Preserve function-machine order · practice 35

   Let f(u) = 1u + (-6) 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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7. Grade 9 · Chapter 327

   Solve a two-direction distance condition · practice 35

   Solve |x − (-2)| = 0.5. Follow the calculation, then test the quantities in the animated example.

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8. Grade 9 · Chapter 328

   Compare repeated growth factors · practice 35

   Start at 7 and apply a 5% 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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9. Grade 9 · Chapter 329

   Verify an algebraic solution · practice 36

   Solve 7x + (-2) = 58, then check by substitution. Follow the calculation, then test the quantities in the animated example.

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10. Grade 9 · Chapter 330

    Test a complete solution ray · practice 36

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

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11. Grade 9 · Chapter 331

    Interpret signed slope and intercept · practice 33

    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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12. Grade 9 · Chapter 332

    Classify line-system outcomes · practice 36

    Solve the simultaneous equations y = 0.5x and y = 1x + (2). Classify the number of solutions. Follow the calculation, then test the quantities in the animated example.

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13. Grade 9 · Chapter 333

    Connect symmetry and quadratic values · practice 36

    For y = 1(x − (0))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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14. Grade 9 · Chapter 334

    Explain a binomial area product · practice 36

    Evaluate (x + 3)(x + 4) at x = 6 by finding all four rectangle-area parts. Follow the calculation, then test the quantities in the animated example.

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15. Grade 9 · Chapter 335

    Preserve function-machine order · practice 36

    Let f(u) = 4u + (0) 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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16. Grade 9 · Chapter 336

    Solve a two-direction distance condition · practice 36

    Solve |x − (6)| = 5.5. Follow the calculation, then test the quantities in the animated example.

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17. Grade 9 · Chapter 337

    Compare repeated growth factors · practice 36

    Start at 9 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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18. Grade 9 · Chapter 338

    Verify an algebraic solution · practice 37

    Solve 6x + (3) = 46, then check by substitution. Follow the calculation, then test the quantities in the animated example.

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19. Grade 9 · Chapter 339

    Test a complete solution ray · practice 37

    Solve -8x ≤ -20, including the boundary. Follow the calculation, then test the quantities in the animated example.

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20. Grade 9 · Chapter 340

    Interpret signed slope and intercept · practice 34

    For the line y = 1.5x + (4), 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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