Solving Equations and Inequalities Review

Front

Solve for x: 2x + 4 = 24

Back

x = 10

Front

Shari wants to spend at most 40 minutes on social studies and science homework. She already spent 23 minutes on her social studies homework. How much time can Shari spend on her science homework?

Back

s ≤ 17

Front

Pick the correct inequality: 5 < x < 10

Back

B

Front

Solve the literal equation for A: A = 2h

Back

2A/h

Front

A chef has 7 pounds of potatoes. She needs more than 14 pounds for dinner. What inequality describes the amount of potatoes the chef needs to buy?

Back

x + 7 > 14

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 it mean to solve an equation?

Back

To find the value of the variable that makes the equation true.

Front

What is a literal equation?

Back

An equation that involves two or more variables.

Front

How do you isolate a variable in an equation?

Back

By performing inverse operations to both sides of the equation.