U5: 8C Equations and Inequalities mastery check

Front

Solve for x: -5(x - 6) = 15

Back

3

Front

Solve the Inequality: n - 9 ≥ 5. Select the correct graph.

Back

n ≥ 14, CLOSED DOT on 14, shaded to the right

Front

Solve the Inequality: -4 > h - 2. Select the correct graph.

Back

-2 > h, OPEN DOT on -2, shaded to the left

Front

Solve for x: 7 (x + 8) = 49

Back

-1

Front

Solve for x: 2x + 1 = 9

Back

4

Front

What is an equation?

Back

A mathematical statement that asserts the equality of two expressions.

Front

What is an inequality?

Back

A mathematical statement that compares two expressions and shows that one is greater than, less than, or not equal to the other.

Front

What does a closed dot on a number line represent?

Back

It indicates that the number is included in the solution set.

Front

What does an open dot on a number line represent?

Back

It indicates that the number is not included in the solution set.

Front

How do you isolate a variable in an equation?

Back

By performing inverse operations to both sides of the equation.