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Laabri

Section 4 Test

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Last updated about 2 years ago
30 Nsɛmmisa
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1.

Which of the explicit formulas are correct?

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5.
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6.

What does the rate of change tell you? Fill in " ___ per ___" (Units only)

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7.

What is Fred's average rate of change? (hint: Use numbers and simplify) ____ per ____

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8.

Let x= lawns

The equation to represent Brandon is 15x=375

Write an equation to represent Adam's earnings.

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9.

Graph the equation for Brandon and the equation for Adam. (You must have 2 equations.)

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10.

What does the rate of change tell you? Fill in "___ per ___" (units only)

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12.

If the equation for Sam's towing is

y= 2.00x + 57

Select all that are true.

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14.

Put the equations in slope-intercept form to compare the slopes and y-intercepts.

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15.

Graph both equations and identify the solution.

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16.

Select all the staements that are true.

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17.

Equation 1: We-Haul

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18.

Equation 2: You-Haul

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19.

When will they cost the same? Solve your system of equations.

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20.

Multiply the first equation by 2 and write the new equation.

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21.

Now use elimination to solve. Enter your solution as (x,y).

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22.

Let m=males and f=females. (m,f) Write and inequality to represent the situation.

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23.
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28.
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29.

Let r=roses and c=carnations. (r,c)

Equation 1:

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30.

Let r=roses and c=carnations. (r,c)

Equation 2:

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2.

Write an explicit formula that can be used to find the amount of money saved on any given day.

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3.

How much money will he have on the 18th day?

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4.

How much money will he have on the 187th day?

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11.

Who has a greater rate of change? Who earns more per lawn?

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24.

Does the combination of m=4 and f=4 work?

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25.

Does the combination of m=2 and f=5 work?

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26.

Does the combination of m=7 and f=2 work?

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27.

Does the combination of m=1 and f=3 work?