Unit 3 Test Review (and winter-themed trivia)

Front

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

Back

Subtract 3 from both sides to isolate x.

Front

What is the name of Will Ferrell’s character in the movie Elf?

Back

Buddy

Front

Which cookie company has their cookies baked by elves?

Back

Keebler

Front

How many 'las' are after the 'fa' in "Deck the Halls?"

Back

Eight

Front

Graph the inequality: x ≤ -3

Back

A number line with a closed circle on -3 and shading to the left.

Front

What is an inequality?

Back

An inequality is a mathematical statement that compares two expressions using symbols like <, >, ≤, or ≥.

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 the solution to the equation 2x + 4 = 12?

Back

x = 4.

Front

What is the difference between an equation and an inequality?

Back

An equation states that two expressions are equal, while an inequality shows that one expression is greater or less than another.

Front

What is the process of isolating a variable?

Back

Rearranging an equation to get the variable on one side and the constants on the other.