ACT Math

Front

What is the formula to calculate the final price after applying a discount and sales tax?

Back

Final Price = (Original Price - Discount) * (1 + Sales Tax Rate)

Front

How do you calculate a percentage discount on a price?

Back

Percentage Discount = (Discount Rate / 100) * Original Price

Front

If an item costs $4.30 and is discounted by 12%, what is the discounted price?

Back

Discounted Price = $4.30 - (0.12 * $4.30) = $3.784

Front

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

Back

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

Front

What is the median in a data set?

Back

The median is the middle value when the numbers are arranged in order.

Front

How do you find the mode of a data set?

Back

The mode is the number that appears most frequently in the data set.

Front

In a sequence where each term is generated by a specific rule, how do you find a term if you know a later term?

Back

Use the rule to work backwards from the known term to find the earlier term.

Front

What does it mean for a number to be divisible by another number?

Back

A number is divisible by another if dividing them results in a whole number with no remainder.

Front

If x is divisible by 3 and y is divisible by 5, what can be said about xy?

Back

xy is divisible by 15 because it includes both factors of 3 and 5.

Front

What is the relationship between the coordinates of points on a coordinate plane?

Back

The coordinates (x,y) represent the position of a point in relation to the x-axis and y-axis.