Algebra 1 - Unit #1 Review

Front

Which algebraic expression represents 'three less than a number'?

Back

k - 3

Front

What property is represented by the equation 11 x 7 = 7 x 11?

Back

Commutative Property of Multiplication

Front

Translate the phrase '5 times the sum of a number and 7' into an algebraic expression.

Back

5(x + 7)

Front

Evaluate using Order of Operations (PEMDAS): -20 + 8 x 2 + 7

Back

3

Front

Use Distributive Property to simplify: 1/2(4x - 16)

Back

2x - 8

Front

What is the Commutative Property of Addition?

Back

The property that states a + b = b + a for any numbers a and b.

Front

What is the Distributive Property?

Back

The property that states a(b + c) = ab + ac for any numbers a, b, and c.

Front

What does PEMDAS stand for in order of operations?

Back

Parentheses, Exponents, Multiplication and Division (from left to right), Addition and Subtraction (from left to right).

Front

What is an algebraic expression?

Back

A mathematical phrase that can contain numbers, variables, and operators.

Front

What is a variable in algebra?

Back

A symbol, often a letter, that represents an unknown value.