Test Prep #1

Front

Solve this equation: a - 2.1 = 5.8

Back

a = 7.9

Front

During a laboratory experiment, the temperature of a liquid changed from –4 °C to 18 °C. By how many degrees did the temperature of the liquid change?

Back

22 °C

Front

A rate is ___________.

Back

a comparison of 2 quantities

Front

Simplify the expression: 2x + 1 + 7x

Back

9x + 1

Front

When the following inequality is graphed, what will it look like? y > -1

Back

open circle

Front

What is the formula for finding the area of a rectangle?

Back

Area = length × width

Front

What is the value of x in the equation: 3x + 4 = 10?

Back

x = 2

Front

What is the definition of a variable in mathematics?

Back

A symbol used to represent an unknown value.

Front

What does it mean to simplify an expression?

Back

To reduce it to its simplest form.

Front

What is the result of 5 + 3 × 2?

Back

11