Review of Algebra (#1)

Front

Evaluate 2r + 1 if r = 3

Back

7

Front

Identify the variables in the expression: 4x + 2y - 6

Back

x and y

Front

What is the rate of change (slope) for the following graph?

Back

40

Front

On a graph, the axis that is horizontal is...

Back

x-axis

Front

Name the coefficient of ⅙h

Back

⅙

Front

What is a variable in algebra?

Back

A symbol that represents an unknown value.

Front

What is a coefficient?

Back

A number that multiplies a variable.

Front

Define an expression in algebra.

Back

A combination of numbers, variables, and operations.

Front

What does it mean to evaluate an expression?

Back

To calculate the value of the expression for given variable values.

Front

What is the difference between an equation and an expression?

Back

An equation has an equal sign; an expression does not.