Algebra 1 midterm review - What have you forgotten?

Front

Translate the sentence into an equation: Seven subtracted from n is 18.

Back

n - 7 = 18

Front

What is the first step when solving with substitution for the equations y = 3 - x and 2x - 3y = 21?

Back

2x - 3(3-x) = 21

Front

Solve for x: If y = b and v is a constant, what is x?

Back

x = by + v

Front

What inequality does the graph represent? x < -2

Back

x < -2

Front

Back

Associative

Front

What is the definition of a variable in algebra?

Back

A symbol used to represent an unknown value.

Front

What is the definition of an equation?

Back

A mathematical statement that asserts the equality of two expressions.

Front

What does it mean to solve an equation?

Back

To find the value(s) of the variable(s) that make the equation true.

Front

What is the difference between an expression and an equation?

Back

An expression does not have an equality sign, while an equation does.

Front

What is the purpose of the distributive property?

Back

To multiply a single term by two or more terms inside parentheses.