Math With Amar · Guided practice
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Each chapter gives you a distinct mathematical scenario: one question to attempt, a hint, a worked solution, and an animated example you can control.
10,000 questions · 10,000 animated scenarios · 14 study levels
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Grade labels are starting points; school sequences vary. Advanced chapters assume the prerequisites listed on their pages.
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Grade 9 practice chapters
741–750 of 750 matching chapters · Page 38 of 38
Clear filtersGrade 9 · Chapter 741
Compare repeated growth factors · practice 82
Start at 7 and apply a 35% change during each of 5 complete periods. Find the final amount. Follow the calculation, then test the quantities in the animated example.
Question · Worked solution · Animated example
Open practice chapterGrade 9 · Chapter 742
Verify an algebraic solution · practice 83
Solve 8x + (2) = -11, then check by substitution. Follow the calculation, then test the quantities in the animated example.
Question · Worked solution · Animated example
Open practice chapterGrade 9 · Chapter 743
Test a complete solution ray · practice 81
Solve 4x ≤ 21, including the boundary. Follow the calculation, then test the quantities in the animated example.
Question · Worked solution · Animated example
Open practice chapterGrade 9 · Chapter 744
Interpret signed slope and intercept · practice 77
For the line y = 2.5x + (-4), find y when x = 3 and identify the slope and vertical intercept. Follow the calculation, then test the quantities in the animated example.
Question · Worked solution · Animated example
Open practice chapterGrade 9 · Chapter 745
Classify line-system outcomes · practice 83
Solve the simultaneous equations y = -2x and y = 3x + (3). Classify the number of solutions. Follow the calculation, then test the quantities in the animated example.
Question · Worked solution · Animated example
Open practice chapterGrade 9 · Chapter 746
Connect symmetry and quadratic values · practice 82
For y = -1.5(x − (-1.5))² + (-0.5), find y at x = 2 and identify the vertex. Follow the calculation, then test the quantities in the animated example.
Question · Worked solution · Animated example
Open practice chapterGrade 9 · Chapter 747
Explain a binomial area product · practice 81
Evaluate (x + 1)(x + 7) at x = 4 by finding all four rectangle-area parts. Follow the calculation, then test the quantities in the animated example.
Question · Worked solution · Animated example
Open practice chapterGrade 9 · Chapter 748
Preserve function-machine order · practice 83
Let f(u) = 2u + (0) and g(u) = u². Find f(g(4)) and g(f(4)). Follow the calculation, then test the quantities in the animated example.
Question · Worked solution · Animated example
Open practice chapterGrade 9 · Chapter 749
Solve a two-direction distance condition · practice 81
Solve |x − (6)| = 0.5. Follow the calculation, then test the quantities in the animated example.
Question · Worked solution · Animated example
Open practice chapterGrade 9 · Chapter 750
Compare repeated growth factors · practice 83
Start at 8 and apply a 30% change during each of 2 complete periods. Find the final amount. Follow the calculation, then test the quantities in the animated example.
Question · Worked solution · Animated example
Open practice chapter