Topic Test — Cumulative exam Answers

Which property should Remus use to solve the equation below?

Sylvia translated the phrase into an algebraic expression and then evaluated it for . “the square of a number increased by 9”What is the value she should get?

Laura checked her outdoor thermometer and noticed that the temperature rose from 31 degrees in the morning to 45 degrees in the afternoon. What is the approximate percent increase for the day so far?

A toy airplane climbs 30 vertical feet while traveling 50 feet horizontally. A toy helicopter climbs 20 feet while traveling 40 feet horizontally. Assuming a steady rate of change, which toy traveled at a greater slope?

What is the value of the expression “three less than the quotient of ten and a number, increased by six” when n = 2?

Byron earns $11.00 per hour. How many hours will Byron have to work to earn $143.00?

When evaluating for , the given value of 1 is substituted for what part of the expression?

Which expressions are equivalent to ? Check all that apply.

A nut-raisin mix costs $5.26 per pound. Rashid buys 15.5 pounds of the mix for a party. Rashid’s estimated cost of the nut-raisin mix is

Which expression can be used to determine the slope of the line that passes through the points (–7, 3) and (1, –9)?

How do the expressions and compare when they are evaluated?

The figure on the grid is the result of enlarging a rectangle by a scale factor of 1.5.Which graph shows the original rectangle?

Kari estimated the quotient of to be –8. Which best describes her error?

Premium gasoline costs $4.33 per gallon. Noni’s car holds 11.6 gallons of gas. What is the estimated cost of filling the tank of Noni’s car?

Based on the graph of the line below, which describes the relationship between the value of the y-intercept and the value of the slope?

Two points defining a linear function are shown in the table below. xy–14–18–10–12What is the slope of the function?

The temperature fell from 0 to below 0 in hours. What was the temperature change per hour?

Solve . Which of the following must be true about the inequality and the resulting graph? Select three options.

A high school coach needs to buy new athletic shorts for the 15 members of the basketball team. The coach must spend less than $200 and needs to determine how much he can spend per pair of shorts. Write and solve an inequality to determine the maximum price for each pair of shorts. What does the solution represent?