7th Math Review

Front

Solve for x: -4x - 7 ≥ 21

Back

x ≤ -7

Front

Solve for x: 2x + 4 = 16

Back

x = 6

Front

Round 23.542 to the nearest tenth.

Back

23.5

Front

Which value below is a solution to the inequality: -2y + 3 < 7?

Back

-1

Front

A climber starts descending from 533 feet above sea level and reaches 10 feet below sea level. How many feet did she descend?

Back

543 feet

Front

What is the definition of an inequality?

Back

An inequality is a mathematical statement that compares two expressions and shows that one is greater than, less than, or not equal to the other.

Front

What does it mean to solve an equation?

Back

To find the value(s) of the variable(s) that make the equation true.

Front

What is the process of rounding numbers?

Back

Rounding is the process of adjusting the digits of a number to make it simpler while keeping its value close to what it was.

Front

What is the solution set of an inequality?

Back

The set of all values that satisfy the inequality.

Front

What is the difference between an equation and an inequality?

Back

An equation states that two expressions are equal, while an inequality shows that one expression is greater than or less than another.