ACT Math Practice

Front

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

Back

The average is calculated by dividing the sum of the numbers by the count of the numbers.

Front

How do you solve a linear equation in one variable?

Back

To solve a linear equation, isolate the variable on one side of the equation using inverse operations.

Front

What is the formula for the maximum force of wind against a surface?

Back

Front

How do you find the midpoint of a line segment given two endpoints?

Back

The midpoint is found using the formula: Midpoint = ( (x1 + x2)/2 , (y1 + y2)/2 ).

Front

What is the concept of rate of change in a linear context?

Back

The rate of change is the ratio of the change in the dependent variable to the change in the independent variable, often represented as slope.

Front

How do you calculate the total commission earned over multiple days?

Back

Add the daily commissions together and divide by the number of days to find the average.

Front

What is the significance of constants in mathematical equations?

Back

Constants are fixed values that do not change, and they can affect the behavior of equations and functions.

Front

What is the process for solving a word problem involving sales?

Back

Identify the quantities involved, set up an equation based on the information given, and solve for the unknown.

Front

How do you determine the remaining quantity after a series of sales?

Back

Subtract the total quantity sold from the initial quantity to find the remaining amount.

Front

What is the relationship between velocity and force in the context of wind?

Back