TSI Practice Test

Front

If 2x + 5 = 8x, then 12 x = ?

Back

10

Front

Find the volume of a cube with side length of 20 feet.

Back

8000 ft^3

Front

What is the probability of selecting a male from a group of 4 males and 8 females?

Back

1/3

Front

What is the maximum value of the function f(x) = -16x^2 + 32x + 20?

Back

36

Front

You flip a coin and then roll a fair six-sided die. What is the probability that the coin lands heads-up and the die shows an odd number?

Back

1/4

Front

What is the formula for the volume of a cube?

Back

Volume = side^3

Front

How do you calculate the probability of an event?

Back

Probability = (Number of favorable outcomes) / (Total number of outcomes)

Front

What is the quadratic formula?

Back

x = (-b ± √(b² - 4ac)) / 2a

Front

What is the formula for the area of a triangle?

Back

Area = (1/2) * base * height

Front

What is the relationship between the sides of a right triangle?

Back

Pythagorean theorem: a^2 + b^2 = c^2