Unit 3 Practice Test

Last updated over 2 years ago
15 questions
FORMULAS:

2

Find the x-intercept and y-intercept of 4x+2y=20.

(Select TWO answers)

1

Write an equation for the line on the graph below in slope-intercept form.

1

Which inequality matches the graph shown below?

1

Which of these shows y=-2x+5 in standard form?

2

Compare the three functions:

Select ALL the statements that are TRUE for the functions:

1

The graph shows the daily sales goal of a coffee shop. If the employees sell 20 cups of coffee, how many cups of tea must they sell to meet their goal?

1

Rewrite the equation 2x+3y=15 in slope-intercept form:

2

Identify the slope and the y-intercept of the equation:

(Select two answers)

2

Leslie joins a fitness club that has an initial fee of $20 plus a monthly fee of $15. Rashad’s club charges $40 initially plus $10 per month. In how many months will the clubs cost the same?

2

Carla has $200 in her bank account. Each week, she withdraws $20.
Use function notation to write a linear function that represents the amount of money Carla has left in her account after a certain number of withdrawals (x).
Use f(x)=

Then graph the function by using the sketch tools.

1

The graph shows the account balance as a function of the number of monthly payments for a person who starts with $1000 in an account and has to pay a cell phone bill of $25 every month.
Find the x-intercept and explain its meaning in this problem.

1

The graph shows the account balance as a function of the number of monthly payments for a person who has $1000 in an account and has to pay a cell phone bill of $25 every month.
Find the y-intercept and explain its meaning in this problem.

1

The graph shows the account balance as a function of the number of monthly payments for a person who has $1000 in an account and has to pay a cell phone bill of $25 every month.
Give the Domain and Range for this problem

2

The Environmental Club is selling water bottles for $8 each and tote bags for $12 each to raise a total of $240 to donate to charity.
Let w = the number of water bottles
Let t = the number of tote bags
Write the linear equation for the fundraising goal.
And use the sketch tools to graph the function.

2

Graph the inequality:
Use the sketch tools.