ACT Math Practice Test 21

Which of the following is always equal to y(3 − y) + 5(y − 7) ?

If 6x − 5 = 3x − 16, then x = ?

The price of a cantaloupe is directly proportional to its weight. If a cantaloupe that weighs 3.0 pounds costs $3.87, approximately how much will a 2.25-pound cantaloupe cost?

If 3(a − 6) = −21, then a = ?

What is the volume, in cubic inches, of a cube whose edges each measure 5 inches in length?

As part of a school report on the cost of gasoline, Raquel wants to find the average cost of purchasing a gallon of regular unleaded gasoline from local gas stations. She surveys 4 stations and finds the cost per gallon of regular unleaded gas from the 4 stations to be $2.45, $2.50, $2.49, and $2.56, respectively. Using this data, what is the average cost of purchasing one gallon of regular unleaded gasoline from these 4 gas stations?

Disregarding sales tax, how much will you save when you buy a $12.00 video that is on sale for 20% off?

The lowest temperature on a winter morning was −7 ◦F. Later the same day the temperature reached a high of 21◦F. By how many degrees Fahrenheit did the temperature increase?

If x + ²⁄₃ = $\frac{8}{21}$ , then x = ?

If m > 0 and n < 0, then m − n:

On the blueprint for Roger’s house, DO YOUR FIGURING HERE. ¹⁄₄ inch represents an actual length of 1 foot. What is the area, in square feet, of Roger’s rectangular living room, which is 3 inches by 4¹⁄₄ inches on the blueprint?

What is the next term after −¹⁄₃ in the geometric sequence 9, −3, 1, −¹⁄₃, …?

What is the value of the expression 2x³ − x² + 3x + 5 for x = −2?

The speed of a car exceeds twice the speed of a truck by 15 mph. If t is the speed of the truck, which of the following expresses the speed, in miles per hour, of the car?

If a board 9 feet 6 inches in length is cut into 2 equal parts, what will be the length of each part?

In a poll, 44 people were in favor of constructing a new high school, 58 were against it, and 8 people had no opinion. What fraction of those people polled were in favor of constructing a new high school?