Unit 3 - Equations and Inequalities Review

Front

What is the solution to the equation m/9 - 1 = -2?

Back

m = -9

Front

If Mallory spent $12.57 on sodas and $10.95 for each pizza, how can we express the total cost of pizzas and sodas if her total is $89.22?

Back

10.95x + 12.57 = 89.22

Front

Solve the equation: 20.5 = x + 4

Back

x = 16.5

Front

What is the solution to the equation 10 - 6v = -104?

Back

v = 19

Front

Solve the equation: -9x - 13 = -103

Back

x = 10

Front

What is an equation?

Back

An equation is a mathematical statement that asserts the equality of two expressions.

Front

What is an inequality?

Back

An inequality is 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 solve an equation means to find the value(s) of the variable(s) that make the equation true.

Front

What is the difference between an equation and an expression?

Back

An equation contains an equal sign and states that two expressions are equal, while an expression does not contain an equal sign.

Front

What is the first step in solving the equation 3x + 5 = 20?

Back

Subtract 5 from both sides to isolate the term with the variable.