8th Math: First Semester Review

Front

What is the equation of a line in slope-intercept form?

Back

The equation of a line in slope-intercept form is given by y = mx + b, where m is the slope and b is the y-intercept.

Front

What does the point (1, 12) represent in a graph of a rental company's prices?

Back

The point (1, 12) means the company charges $12 for 1 hour.

Front

How do you order numbers from greatest to least?

Back

To order numbers from greatest to least, compare their values and arrange them accordingly.

Front

What is the slope of a line?

Back

The slope of a line is a measure of its steepness, calculated as the rise over run (change in y over change in x).

Front

What is the total cost function for renting a machine with a deposit and hourly rate?

Back

The total cost function is c = 12.5h + 25, where c is the total cost and h is the number of hours rented.

Front

What is the meaning of slope in a linear equation?

Back

The slope indicates how much y changes for a unit change in x; a positive slope means the line rises, while a negative slope means it falls.

Front

How do you find the y-intercept of a linear equation?

Back

The y-intercept is found by setting x = 0 in the equation and solving for y.

Front

What is the difference between a function and a relation?

Back

A function is a specific type of relation where each input (x) has exactly one output (y).

Front

What does it mean for a function to be linear?

Back

A linear function is one that graphs to a straight line, represented by the equation y = mx + b.

Front

How do you convert a percentage to a decimal?

Back

To convert a percentage to a decimal, divide the percentage by 100.