Unit 4 Check 2

Front

Solve the inequality: x + 5 ≤ 13

Back

x ≤ 8

Front

If Beth biked twice as long as Heather and biked 9 hours, which equation shows how long Heather biked?

Back

2b = 9

Front

Find the value of x in the equation: 3.8x = 27.74

Back

x = 7.3

Front

Solve for x: 17 = x + 3

Back

x = 14

Front

Jerry earns $10 an hour for mowing lawns. He needs a minimum of $120 to buy a game. What inequality describes the situation?

Back

10h > 120

Front

What is an inequality?

Back

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

Front

What does it mean to solve an equation?

Back

To solve an equation means to find the value of the variable that makes the equation true.

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 or less than another.

Front

What is the solution set of an inequality?

Back

The solution set of an inequality is the set of all values that satisfy the inequality.

Front

How do you isolate a variable in an equation?

Back

To isolate a variable, perform inverse operations to get the variable alone on one side of the equation.