M7C Review for Expressions Flashcard #2

Front

Evaluate the expression: 8y + 12 - 2z for y = 4 and z = 2

Back

40

Front

Factor the expression: 7x - 3

Back

cannot be factored

Front

Factor the expression: 17xy - x

Back

x(17y - 1)

Front

Factor the expression: 8x + 40

Back

8(x + 5)

Front

Evaluate the expression when x = -8 and y = -9

Back

-59

Front

What is the definition of a variable in algebra?

Back

A symbol used to represent an unknown value.

Front

What does it mean to factor an expression?

Back

To express it as a product of its factors.

Front

What is the distributive property?

Back

a(b + c) = ab + ac

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 value of x in the equation 2x + 3 = 11?

Back

4