Unit 3 Study Guide - Pre-Algebra

Front

Back

x = 2

Front

Back

There are infinite solutions.

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Back

2 5/11

Front

Between which two whole numbers does the square root of 75 lie?

Back

8 and 9

Front

What equation can be used to find Marcus's score if Lena scored 180 points, which is 5 times Marcus's score?

Back

5m = 180

Front

What is the definition of a variable in algebra?

Back

A symbol used to represent an unknown value.

Front

What does it mean for an equation to have no solutions?

Back

There are no values that satisfy the equation.

Front

What is the process of isolating a variable in an equation?

Back

Rearranging the equation to get the variable on one side and constants on the other.

Front

What is the square root of a number?

Back

A value that, when multiplied by itself, gives the original number.

Front

What is a coefficient in an algebraic expression?

Back

A numerical factor that multiplies a variable.