Math ACT Prep

Front

What key do you select when finding mean and median in your graphing calculator?

Back

STAT

Front

How do you find the Least Common Denominator (LCD) of fractions?

Back

Find the LCM of the denominators.

Front

In the formula h = at² + bt + c, what does 'c' stand for?

Back

initial height

Front

Ranges stands for the ___ values.

Back

y

Front

When graphing a line, 'm' stands for the _________.

Back

slope

Front

What is the formula to calculate the mean of a set of numbers?

Back

Mean = (Sum of all values) / (Number of values)

Front

What is the formula for the slope of a line?

Back

Slope (m) = (y2 - y1) / (x2 - x1)

Front

What does the term 'domain' refer to in a function?

Back

The set of all possible input values (x-values).

Front

What is the quadratic formula used to find the roots of a quadratic equation?

Back

x = (-b ± √(b² - 4ac)) / (2a)

Front

What is the difference between a rational and an irrational number?

Back

Rational numbers can be expressed as a fraction, while irrational numbers cannot.