12/17 8.15 & 8.16 Practice Test

Front

What is the domain of the function {(0,1), (1,-3), (2,-4), (-4,1)}?

Back

D: {0, 1, 2, -4}

Front

What is the range of the function {(0,1), (1,-3), (2,-4), (-4,1)}?

Back

R: {1, -3, -4}

Front

In the equation P = 9.75h + 25, what is the dependent variable?

Back

P

Front

In the equation R = 0.50m + 35, what is the independent variable?

Back

m

Front

What is the slope of a line if it is represented as -5/3?

Back

The slope is -5/3.

Front

What does the term 'independent variable' mean in a function?

Back

The independent variable is the input value that can be changed freely.

Front

What does the term 'dependent variable' mean in a function?

Back

The dependent variable is the output value that depends on the independent variable.

Front

How do you find the slope between two points (x1, y1) and (x2, y2)?

Back

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

Front

What is the formula for calculating total pay with hourly wage and reimbursement?

Back

P = hourly wage * hours worked + reimbursement.

Front

What is a relation in mathematics?

Back

A relation is a set of ordered pairs.