Unit 3 Review

Front

What expression represents the amount of money Marshall had after buying 3 tickets at x dollars each if he started with $36.75?

Back

36.75 - 3x

Front

If Lee's total bill for T-shirts is $124 and each T-shirt costs $15.50, which equation can be used to find the number of T-shirts purchased?

Back

15.50x = 124

Front

How do you express Chakan's total earnings, d, if he earns $9.25 per hour and works h hours?

Back

d = 9.25h

Front

What inequality represents the height rule that children must be no taller than 48 inches to play?

Back

h ≤ 48

Front

If a ball is dropped from a height of x inches, what equation can be used to find the height of the first bounce, y, in inches?

Back

y = \frac{x}{2}

Front

Define a variable in an equation. What does it represent?

Back

A variable is a symbol used to represent an unknown value in an equation.

Front

What is the purpose of an equation in mathematics?

Back

An equation shows the relationship between two expressions that are equal.

Front

What does the term 'inequality' mean in mathematics?

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 is the formula to calculate total earnings based on hourly wage and hours worked?

Back

Total earnings = Hourly wage × Hours worked

Front

How do you solve for x in the equation 15.50x = 124?

Back

Divide both sides by 15.50 to find x.