TSI Math 2.0 Practice

Front

Back

Front

How do you calculate the area of a rectangle?

Back

Area = length × width.

Front

If the cost of carpeting is $2.50 per square foot, how do you find the total cost for a rectangular area?

Back

Total cost = cost per square foot × area of the rectangle.

Front

What is the formula for the area of a triangle?

Back

Area = 1/2 × base × height.

Front

How do you find the average of a set of numbers?

Back

Average = (sum of all values) / (number of values).

Front

What is the average grade of a class with 12 students averaging 77 and 9 students averaging 91?

Back

Average = (12*77 + 9*91) / (12 + 9) = 83.

Front

What does it mean to simplify an expression?

Back

To reduce it to its simplest form without changing its value.

Front

Back

Using the formula Area = 1/2 × base × height, we find height = 6.

Front

What is the significance of negative exponents in algebra?

Back

Negative exponents indicate the reciprocal of the base raised to the opposite positive exponent.

Front

How do you convert a fraction to a decimal?

Back

Divide the numerator by the denominator.