Math With Amar · Guided practice
10,000 ways to 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.
Attempt · Explain · Animate
Grade 9 practice chapters
601–620 of 750 matching chapters · Page 31 of 38
Clear filtersGrade 9 · Chapter 601
Solve a two-direction distance condition · practice 64
Solve |x − (7)| = 3. Follow the calculation, then test the quantities in the animated example.
Question · Worked solution · Animated example
Open practice chapterGrade 9 · Chapter 602
Compare repeated growth factors · practice 66
Start at 10 and apply a 25% change during each of 1 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 603
Verify an algebraic solution · practice 67
Solve 8x + (-1) = 16, 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 604
Test a complete solution ray · practice 66
Solve -4x ≤ -8, including the boundary. Follow the calculation, then test the quantities in the animated example.
Question · Worked solution · Animated example
Open practice chapterGrade 9 · Chapter 605
Interpret signed slope and intercept · practice 64
For the line y = 3x + (5), 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 606
Classify line-system outcomes · practice 67
Solve the simultaneous equations y = 3x and y = 2x + (7). 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 607
Connect symmetry and quadratic values · practice 67
For y = -1.5(x − (-2))² + (-1.5), 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 608
Explain a binomial area product · practice 65
Evaluate (x + 2)(x + 6) at x = 4.5 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 609
Preserve function-machine order · practice 67
Let f(u) = 3u + (2) 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.
Question · Worked solution · Animated example
Open practice chapterGrade 9 · Chapter 610
Solve a two-direction distance condition · practice 65
Solve |x − (6)| = 5. Follow the calculation, then test the quantities in the animated example.
Question · Worked solution · Animated example
Open practice chapterGrade 9 · Chapter 611
Compare repeated growth factors · practice 67
Start at 1 and apply a 25% change during each of 6 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 612
Verify an algebraic solution · practice 68
Solve 7x + (4) = 4, 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 613
Test a complete solution ray · practice 67
Solve -6x ≤ 15, including the boundary. Follow the calculation, then test the quantities in the animated example.
Question · Worked solution · Animated example
Open practice chapterGrade 9 · Chapter 614
Classify line-system outcomes · practice 68
Solve the simultaneous equations y = 0x and y = -1x + (1). 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 615
Connect symmetry and quadratic values · practice 68
For y = 1(x − (1))² + (3.5), 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 616
Explain a binomial area product · practice 66
Evaluate (x + 6)(x + 7) at x = 1.5 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 617
Preserve function-machine order · practice 68
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.
Question · Worked solution · Animated example
Open practice chapterGrade 9 · Chapter 618
Solve a two-direction distance condition · practice 66
Solve |x − (-3)| = 2. Follow the calculation, then test the quantities in the animated example.
Question · Worked solution · Animated example
Open practice chapterGrade 9 · Chapter 619
Compare repeated growth factors · practice 68
Start at 2 and apply a 20% change during each of 3 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 620
Verify an algebraic solution · practice 69
Solve 6x + (9) = -8, then check by substitution. Follow the calculation, then test the quantities in the animated example.
Question · Worked solution · Animated example
Open practice chapter