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Excel in math and science

Master concepts by solving fun, challenging problems.

It's hard to learn from lectures and videos

Learn more effectively through short, interactive explorations.

Used and loved by over 6 million people

Learn from a vibrant community of students and enthusiasts,
including olympiad champions, researchers, and professionals.

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Linear Inequalities

Concept Quizzes

Linear Inequalities Warmup
Solution Sets
Solution Set
One-Step
Multi-Step
Two-Sided
Absolute Value
Word Problems
Problem Solving

Challenge Quizzes

Level 1
Level 2
Level 3

One-Step Linear Inequalities

Solve \( x+2 < 11 .\)

\[ x < {9} \] \[ x \leq {9} \] \[ x \geq {9} \] \[ x > {9} \]

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by Brilliant Staff

If the inequality \( x + a > 1\) is equivalent to the inequality \( x > 4,\) what is \(a?\)

3 0 4 -3

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by Brilliant Staff

Solve \( -2x < 20.\)

\[ x > {-10} \] \[ x \leq {-10} \] \[ x \geq {-10} \] \[ x < {-10} \]

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by Brilliant Staff

Solve \( -\dfrac{x}{5} \le 3.\)

\[ x \le -15 \] \[ x > -15 \] \[ x \ge -15 \] \[ x < -15 \]

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by Brilliant Staff

Solve \( 12x > 24 .\)

\[ x > {2} \] \[ x < {3} \] \[ x \leq {4} \] \[ x \geq {1} \]

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by Brilliant Staff

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