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.
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Grade 9 practice chapters
181–200 of 750 matching chapters · Page 10 of 38
Clear filtersGrade 9 · Chapter 181
Connect powers and reciprocals · practice 16
Evaluate 3 raised to the integer power 5. Follow the calculation, then test the quantities in the animated example.
Question · Worked solution · Animated example
Open practice chapterGrade 9 · Chapter 182
Preserve function-machine order · practice 19
Let f(u) = 1u + (3) and g(u) = u². Find f(g(0)) and g(f(0)). Follow the calculation, then test the quantities in the animated example.
Question · Worked solution · Animated example
Open practice chapterGrade 9 · Chapter 183
Solve a two-direction distance condition · practice 19
Solve |x − (-2)| = 5. Follow the calculation, then test the quantities in the animated example.
Question · Worked solution · Animated example
Open practice chapterGrade 9 · Chapter 184
Compare repeated growth factors · practice 19
Start at 1 and apply a -5% change during each of 7 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 185
Verify an algebraic solution · practice 20
Solve 7x + (-5) = 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 186
Test a complete solution ray · practice 20
Solve -6x ≤ -23, including the boundary. Follow the calculation, then test the quantities in the animated example.
Question · Worked solution · Animated example
Open practice chapterGrade 9 · Chapter 187
Interpret signed slope and intercept · practice 17
For the line y = 0.5x + (10), 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 188
Classify line-system outcomes · practice 20
Solve the simultaneous equations y = -1x and y = 0.5x + (6). 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 189
Connect symmetry and quadratic values · practice 20
For y = 1(x − (-0.5))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 190
Explain a binomial area product · practice 20
Evaluate (x + 6)(x + 6) at x = 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 191
Preserve function-machine order · practice 20
Let f(u) = 4u + (-4) and g(u) = u². Find f(g(-3)) and g(f(-3)). Follow the calculation, then test the quantities in the animated example.
Question · Worked solution · Animated example
Open practice chapterGrade 9 · Chapter 192
Solve a two-direction distance condition · practice 20
Solve |x − (6)| = 1.5. Follow the calculation, then test the quantities in the animated example.
Question · Worked solution · Animated example
Open practice chapterGrade 9 · Chapter 193
Compare repeated growth factors · practice 20
Start at 2 and apply a -10% change during each of 4 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 194
Verify an algebraic solution · practice 21
Solve 6x + (0) = -8, 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 195
Test a complete solution ray · practice 21
Solve -8x ≤ 0, including the boundary. Follow the calculation, then test the quantities in the animated example.
Question · Worked solution · Animated example
Open practice chapterGrade 9 · Chapter 196
Interpret signed slope and intercept · practice 18
For the line y = -0.5x + (-6), 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 197
Classify line-system outcomes · practice 21
Solve the simultaneous equations y = 2.5x and y = -3x + (0). 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 198
Connect symmetry and quadratic values · practice 21
For y = -1(x − (3))² + (-3), 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 199
Explain a binomial area product · practice 21
Evaluate (x + 1)(x + 5) at x = 3 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 200
Preserve function-machine order · practice 21
Let f(u) = 3u + (3) and g(u) = u². Find f(g(2)) and g(f(2)). Follow the calculation, then test the quantities in the animated example.
Question · Worked solution · Animated example
Open practice chapter