TSI Math Practice Test 2

Front

What is the formula to calculate average speed?

Back

Average speed = Total distance / Total time.

Front

If Justin rode 5 miles and wants to maintain an average of 6.2 minutes per mile, what is his total time?

Back

Total time = 5 miles * 6.2 minutes/mile = 31 minutes.

Front

How do you find the area of a square?

Back

Area = side length × side length.

Front

If a square has an area of 144, what is the length of one side?

Back

Side length = √144 = 12.

Front

What does it mean for a value to be less than or equal to zero in an inequality?

Back

It means the value can be zero or any negative number.

Front

What is the minimum grade Emily needs to achieve a 90 average if she has scores of 88, 91, 91, and 85?

Back

Emily needs a minimum grade of 95.

Front

What is the mean of a set of numbers?

Back

The mean is the sum of the numbers divided by the count of the numbers.

Front

If the mean of a set of angles is 90 degrees, what does that imply about the angles?

Back

It implies that the average of the angles is a right angle.

Front

What is the relationship between area and side length in a square?

Back

The area of a square increases with the square of the side length.

Front

How do you solve for a variable in an equation?

Back

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