Solving a linear inequality

Solving with the balance method while keeping the inequality sign.

When the inequality sign reverses

Multiplying or dividing by a negative flips the sign.

Inequalities on a number line

Drawing the solution with an open circle for a strict inequality and a filled.

Integer solutions of an inequality

Listing the whole numbers a solution range contains.

Solving a double inequality

Applying every step to all three parts of an inequality like 3 < 2x + 1 ≤ 9.

Set notation for solution sets

Writing a solution as {x : x > 2}.

Higher

Regions from inequalities in two variables

Shading the region satisfying several inequalities at once.

Higher

Solving a quadratic inequality

Sketching the parabola to choose between the inside and the outside of the.

Higher

Practice

Solving a linear inequality

Solving with the balance method while keeping the inequality sign.

Practice

When the inequality sign reverses

Multiplying or dividing by a negative flips the sign.

Practice

Integer solutions of an inequality

Listing the whole numbers a solution range contains.

Practice

Inequalities review

Solving linear and double inequalities, listing integer solutions.

Mixed review