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Laabri

Unit 3 Practice Test

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Last updated about 3 years ago
15 Nsɛmmisa

FORMULAS:

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Asemmisa {{asɛmmisaAhyɛnsode}}
1.

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

(Select TWO answers)

Asemmisa {{asɛmmisaAhyɛnsode}}
2.

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

Asemmisa {{asɛmmisaAhyɛnsode}}
3.

Which inequality matches the graph shown below?

Asemmisa {{asɛmmisaAhyɛnsode}}
4.

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

Asemmisa {{asɛmmisaAhyɛnsode}}
5.

Compare the three functions:

Select ALL the statements that are TRUE for the functions:

Asemmisa {{asɛmmisaAhyɛnsode}}
6.

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?

Asemmisa {{asɛmmisaAhyɛnsode}}
7.

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

Asemmisa {{asɛmmisaAhyɛnsode}}
8.

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

(Select two answers)

Asemmisa {{asɛmmisaAhyɛnsode}}
9.

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?

Asemmisa {{asɛmmisaAhyɛnsode}}
10.

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.

Asemmisa {{asɛmmisaAhyɛnsode}}
11.

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.

Asemmisa {{asɛmmisaAhyɛnsode}}
12.

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.

Asemmisa {{asɛmmisaAhyɛnsode}}
13.

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

Asemmisa {{asɛmmisaAhyɛnsode}}
14.

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.

Asemmisa {{asɛmmisaAhyɛnsode}}
15.

Graph the inequality:

Use the sketch tools.