Unit 2 Test Review

Front

Which expression is equivalent to (5n - 3) - (9n + 10)?

Back

-4n - 13

Front

Simplify the following expression: -8 (5b + 2) - 7 (b - 5)

Back

-47b + 19

Front

Evaluate the following expression: 5q - 10 when n = 7.

Back

25

Front

Solve for x: -4x + 1 = 21

Back

x = -5

Front

Write an equation to find how much candy was in the bag at the beginning: A bag of candy was shared equally among 4 friends. Each friend gave away 7 pieces of candy. They each ended up with 8 pieces of candy.

Back

c/4 - 7 = 8

Front

What is the distributive property?

Back

The distributive property states that a(b + c) = ab + ac.

Front

What is a variable in algebra?

Back

A variable is a symbol used to represent an unknown value, often denoted by letters like x, y, or n.

Front

What does it mean to simplify an expression?

Back

To simplify an expression means to combine like terms and reduce it to its simplest form.

Front

What is an equation?

Back

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

Front

What is the solution to an equation?

Back

The solution to an equation is the value of the variable that makes the equation true.