Final Review MATH 4

Front

Is π a rational number?

Back

False

Front

Evaluate the expression: | x + 9 | = -5

Back

no solution

Front

What should you do first: distribute, combine like terms, or both?

Back

Distribute

Front

Solve for x: 3(x+2) = 15

Back

x = 3

Front

Identify the error in the following calculation: 5 - 3 + 2 = 5 - 5 = 0

Back

Addition was done first and you should have subtracted first.

Front

What is a rational number?

Back

A number that can be expressed as the quotient or fraction of two integers.

Front

What is the absolute value of a number?

Back

The distance of that number from zero on the number line, always non-negative.

Front

What does it mean to combine like terms?

Back

To simplify an expression by adding or subtracting terms that have the same variable raised to the same power.

Front

What is the distributive property?

Back

a(b + c) = ab + ac, meaning you multiply a term by each term inside the parentheses.

Front

What is the solution to the equation: 2x + 3 = 11?

Back

x = 4