Name ________________________________ Date _______________ Period _____ Pre-Alg
MP2 TEST 2 – Out of Class Part – worth 60 points out of 100 points.
15)
Refer to the square shown.
15a)
4 points
Using an equation, determine the value of x.
Be sure to show all work.
6x + 5
8x – 3
15b)
4 points
Using an equation, determine the perimeter.
Be sure to show all work.
Alyson
16)
Jackie
Alyson and Jackie are also plumbers.
2 points
Last week, Jackie worked 16 hours less than twice the amount of hours as Alyson.
If A represents the amount of hours Alyson worked last week and J represents the
amount of hours Jackie worked last week, which one equation is true?
a)
b)
c)
d)
A = 2J – 16
J = 2A – 16
A – 16 = 2J
A – J = 16
17)
Al has his own small plumbing business, “Al’s Plumbing”. He charges a one-time
estimate/job exploration fee of $75 and $150 per hour. Kevin also has a small plumbing
business, “OK Plumbing”. He charges $155 per hour and charges a one-time estimate/job
exploration fee of $35.
17a)
1 points
Write an equation that represents the total cost Al charges for a job. Let C
represent this unknown total cost.
17b)
1 points
Write an equation that represents the total cost Kevin charges for a job. Let C
represent this unknown total cost.
17c)
4 points
Using the equation in part a, determine how many hours Al will have to work
to complete a job that costs $1,725. Show all your work and be sure to write a
sentence when answering.
17d)
4 points
For what same amount of time will Al and Kevin have to work in order to make the
same amount of money? Use an equation to determine your answer. Use an
equation to answer this question. Show all your work and be sure to write a
sentence when answering.
18)
2 points
Explain how equations and expressions are the same and how they are diffierent.
Also, provide 1 example of each. Be sure to label the equation “EQUATION” and
the expression “EXPRESSION”.
19)
2 points
The equation below has been solved incorrectly. Circle the mistake. Then, solve the
equation correctly, showing all your work. Finally, circle the correct answer.
INCORRECT
 3x  
+3
1
2
+3
1
2
6 1
x 
2 2
5
1
x  or 2
2
2
x  3
CORRECT
20)
6 points
Simplify the expression using AT MOST 3 steps. Be sure to show all work and
circle your answer.
 9(2 x  6)  5  (9  x)  4 x  8  ( 8 x  2)  2  9 x
Questions 22 - 32 are worth 3 points each.
Solve the following equations. Be sure to show all work and circle your answers.
1
4
23)
4 x 
26)
1
3
5 x2
2
4
 3  7x  7x  4
30)
 4(2 x  5)  9( x  5)  15
4(9  x)  4 x  12
32)
5x  7  5x
22)
3x  6x  7  11  2
25)
4  3x 
29)
31)
1
4
24)
3  5x  5x  9
28)
x3
 7
5
Extra Credit:
There is no partial credit for this section.
Solve the following equations. Be sure to show all work and circle your answers.
1)
2 points
2x  9
2
4
3
5
3)
2 points
2
3x  9  6  9 2 x  14   1
3
3

2)
2 points
4.5x  6.3  33.7