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Section 4 Test
By Vanessa Hinojosa
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Last updated almost 2 years ago
30 questions
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2
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4
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Question 2
2.
Write an explicit formula that can be used to find the amount of money saved on any given day.
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Question 3
3.
How much money will he have on the 18th day?
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Question 4
4.
How much money will he have on the 187th day?
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Question 5
5.
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Question 6
6.
What does the rate of change tell you? Fill in " ___ per ___" (Units only)
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Question 7
7.
What is Fred's average rate of change? (hint: Use numbers and simplify) ____ per ____
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Question 8
8.
Let x= lawns
The equation to represent Brandon is 15x=375
Write an equation to represent Adam's earnings.
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Question 9
9.
Graph the equation for Brandon and the equation for Adam. (You must have 2 equations.)
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Question 13
13.
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Question 15
15.
Graph both equations and identify the solution.
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Question 17
17.
Equation 1: We-Haul
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Question 18
18.
Equation 2: You-Haul
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Question 19
19.
When will they cost the same? Solve your system of equations.
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Question 20
20.
Multiply the first equation by 2 and write the new equation.
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Question 21
21.
Now use elimination to solve. Enter your solution as (x,y).
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Question 22
22.
Let m=males and f=females. (m,f) Write and inequality to represent the situation.
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Question 23
23.
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29
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Question 29
29.
Let r=roses and c=carnations. (r,c)
Equation 1:
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Question 30
30.
Let r=roses and c=carnations. (r,c)
Equation 2:
Question 1
1.
Which of the explicit formulas are correct?
A
B
C
D
Question 10
10.
What does the rate of change tell you? Fill in "___ per ___" (units only)
Question 11
11.
Who has a greater rate of change? Who earns more per lawn?
Brandon
Adam
Question 12
12.
If the equation for Sam's towing is
y= 2.00x + 57
Select all that are true.
Both situations can be modeled using linear functions.
The y −intercept of the function that models Sam’s Towing charges is 2.
The rate of change of the function that models Regina’s towing charge is 2.5.
The y −intercept of the functions that model both situations represents the hook up fee.
The rate of change of the functions that model both situations represent the miles traveled per hour.
Question 14
14.
Put the equations in slope-intercept form to compare the slopes and y-intercepts.
The slopes of both lines are the same and the y −intercepts are different.
The slopes of both lines are different and the y −intercepts are the same.
The slopes and the y −intercepts of both lines are the same.
The slopes and the y −intercepts of both lines are different.
Question 16
16.
Select all the staements that are true.
(0,2) is a solution to Line 2.
(-5,3) is a solution to the system.
(4,10) is a solution to the system.
(-10,8) is a solution to Line 1.
¨Line 1 and 2 have no solutions.
Question 24
24.
Does the combination of m=4 and f=4 work?
Yes
No
Question 25
25.
Does the combination of m=2 and f=5 work?
Yes
No
Question 26
26.
Does the combination of m=7 and f=2 work?
Yes
No
Question 27
27.
Does the combination of m=1 and f=3 work?
Yes
No
Question 28
28.
A
B
C
D
E
F