Unit 4 Check 2

Front

What is the solution to the equation 3.8x = 27.74?

Back

x = 7.3

Front

If Vinnie puts $60 worth of gas in the ATV and the price per gallon is $3, which equation can be used to find the number of gallons purchased?

Back

3g = 60

Front

Jenna raised $135 for her team and wants to raise at least $295. Write the inequality that represents this situation.

Back

135 + r > 295, r > 160

Front

LaChona spent $10 more on groceries this week than last week. If the groceries were $105 this week, write the equation to find last week's spending.

Back

x + 10 = 105

Front

What does the inequality k < 3 represent on a number line?

Back

All values of k that are less than 3.

Front

Define a variable in an equation.

Back

A symbol used to represent an unknown value.

Front

What is an inequality?

Back

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

Front

How do you solve for a variable in an equation?

Back

Isolate the variable on one side of the equation using inverse operations.

Front

What is the purpose of using variables in equations?

Back

To represent unknown quantities and solve problems.

Front

What does it mean to graph an inequality?

Back

To represent the solutions of the inequality on a number line or coordinate plane.