WorksheetsSemester Review 12/2019
Total questions: 50
Worksheet time: 2hrs 16mins
Name
Class
Date
1.
Solve for y:
-5 - 7y = -20y + 34
-5 - 7y = -20y + 34
a)
y = 3
b)
y = 1
c)
y = 0.67
d)
y = 46
2.
At one store a trophy costs $12.50. Engraving costs $0.40 per letter. At another store, the same trophy costs $14.75. Engraving costs $0.25 per letter. Write an equation for how many letters the costs will be the same.
a)
12.50 + 0.40 = 14.75 + 0.25
b)
12.50x + 0.40 = 14.75x + 0.25
c)
12.50 + 0.40x = 14.75 + 0.25x
d)
0.40x - 12.50 = 0.25x - 14.75
3.
UPS charges $7 for the first pound, and $0.20 for each additional pound. FedEx charges $5 for the first pound and $0.30 for each additional pound. How many pounds will it take for UPS and FedEx to cost the same? Write an equation.
a)
7p +0.20 = 5p + 0.30
b)
0.20p + 7 = 0.30p + 5
c)
7 - 0.20p = 5 - 0.30p
d)
0.20p - 7 = 0.30p - 5
4.
Solve for x:
19.2 x - 15 = 7.5x + 8.4
19.2 x - 15 = 7.5x + 8.4
a)
x = 15.3
b)
x = 23.4
c)
x = 2
d)
x = 0
5.
UPS charges $7 for the first pound, and $0.20 for each additional pound. FedEx charges $5 for the first pound and $0.30 for each additional pound. Use your equation to find out how many pounds it will take for UPS and FedEx to cost the same.
a)
15 pounds
b)
20 pounds
c)
120 pounds
d)
4 pounds
6.
Is the relation a function? Why.
a)
Yes, because the x-value 11 has two y-values pair with it.
b)
Yes, because each x-value has only one y-value paired with it.
c)
No, because the x-value 11 has two y-values pair with it.
d)
No, because each x-value has only one y-value paired with it.
7.
a)
Function
b)
Not a Function
8.
Is this table a function or not a function?
a)
Function
b)
Not a Function
9.
Which set of values is a function?
a)
(9,5) (10,5) (9,-5) (10,-5)
b)
(3,4) (4,-3) (7,4) (3, 8)
c)
(6,-5) (7, -3) (8, -1) (9, 1)
d)
(2, -2) (5, 9) (5, -7) (1, 4)
10.
Is this mapping a function or not a function?
a)
Function
b)
Not a Function
11.
The amount of money earned on a job is directly proportional to the number of hours worked. If $70.00 is earned in 5 hours, how much money is earned in 22 hours of work?
a)
$2
b)
$308
c)
$1.57
d)
$265
12.
In a direct variation, y=39 when x=3. Find the value of y when x=2.
a)
26
b)
3
c)
58.5
d)
2
13.
Trina's paycheck earnings varies directly as the number of hours she works. If she works 19 hours and earns $187.15, what should she earn if she worked 40 hours?
a)
$394
b)
$440
c)
$472.80
d)
$512.20
14.
Write the equation for the table given.
a)
y = 1/3x
b)
y = 3x
c)
y = 1/2x
15.
The number of kilograms of water in a person’s body varies directly as the person’s mass. A person with a mass of 90 kg contains 60 kg of water. How many kilograms of water are in a person whose mass is 75 kg?
a)
50 kg water
b)
72 kg water
c)
94 kg water
d)
150 kg water
16.
Find the slope of the line that passes through the points (2, 4) and (6, 12)
a)
1/2
b)
-1/2
c)
2
d)
-2
17.
Find the slope of the line.
a)
-2
b)
2
c)
-1
d)
1
18.
Find the slope of the line.
a)
Undefined
b)
0
c)
1
d)
-1
19.
How do you calculate slope using a graph?
a)
rise over run
b)
run over rise
c)
look at the y intercept
d)
look at the x intercept
20.
Find the slope.
a)
-2
b)
2
c)
1/2
d)
-1/2
21.
What is the solution to this system of equations?
a)
(4, -1)
b)
(-1, 4)
c)
(-4, 1)
d)
(-4, -1)
22.
What is the solution to this system?
a)
(-2, -2)
b)
(2, -2)
c)
(-2,2)
d)
(2, 2)
23.
What is the solution?
a)
(1, -1)
b)
(-1, 1)
c)
(0, -2)
d)
(2, 0)
24.
Give the solution to the system.
a)
(3,1)
b)
(1,3)
c)
(-1,3)
d)
(1, -3)
25.
What is the solution to this system?
a)
(1, -1)
b)
(-1, 1)
c)
(0, -2)
d)
(2, 0)
26.
The police department tracked the number of ticket writers and number of tickets issued for the past 8 weeks. The scatter plot shows the results. Which statement is true?
a)
More ticket writers results in fewer tickets issued.
b)
There were 50 tickets issued every week.
c)
When there are 10 ticket writers, there will be 800 tickets issued.
d)
More ticket writers results in more tickets issued.
27.
What is the type of relationship?
a)
Negative
b)
No Relationship
c)
Positive
d)
Constant
28.
What type of relationship does this graph have?
a)
Positive
b)
Negative
c)
No Relationship
d)
Constant
29.
Based on the scatterplot, what is the best prediction of the average amount of money spent on groceries for a household of 7 people?
a)
$240
b)
$190
c)
$210
d)
$300
30.
Based on the scatterplot, what is the best prediction of the resting heart rate of a person who exercises an average of 8 hours each week?
a)
30 beats per minute
b)
50 beats per minute
c)
55 beats per minute
d)
60 beats per minute
31.
Solve for x.
a)
A
b)
B
c)
C
d)
D
32.
What are supplementary angles?
a)
Angles that add up to 180°
b)
Angles that add up to 90°
c)
Angles that are equal to each other
d)
Angles that are opposite of each other when lines intersect
33.
Which of the following angles can you add together to equal angle d?
a)
Angle a and Angle b
b)
Angle b and Angle c
c)
Angle a and Angle c
d)
Angle a and Angle b and Angle c
34.
What is the measure of angle b?
a)
36o
b)
56o
c)
63o
d)
117o
35.
Find the measure of the indicated angle.
a)
95
b)
85
c)
35
d)
45
36.
Choose the correct scale factor:
a)
2
b)
3
c)
1/3
d)
1/2
37.
A dilation is which of the following:
a)
only an enlargement
b)
only a reduction
c)
Either an enlargement or a reduction
d)
Neither an enlargement or a reduction
38.
A dilation produces a congruent figure
a)
True
b)
False
39.
How do you write the algebraic notation when the scale factor is 3?
a)
(x, y) --> (1/3x, 1/3y)
b)
(x, y) --> (-3x, -3y)
c)
(x, y) --> (x + 3, y + 3)
d)
(x, y) --> (3x, 3y)
40.
In a dilation what mathematical operation is used with the scale factor?
a)
addition
b)
subtraction
c)
multiplication
d)
division
41.
The pair of figures is similar. Find the missing side.
a)
x = 20
b)
x = 12
c)
x = 5
d)
x = 4
42.
The pair of figures is similar. Find the missing side.
a)
x = 1
b)
x = 3
c)
x = 9
d)
x = 5
43.
Find missing side
a)
5
b)
7
c)
9
d)
11
44.
Find side length X.
a)
16
b)
18
c)
2.4
d)
15
45.
Find the missing side length.
a)
9
b)
8
c)
6
d)
12
46.
Write a rule for the translation.
a)
(x -1, y + 2)
b)
(x -2, y + 1)
c)
(x +2, y - 1)
d)
(x +1, y - 2)
47.
The point Z(4, -2) is rotated 180 degrees about the origin. What is the image of Z?
a)
Z'(2, 4)
b)
Z'(-4, 2)
c)
Z'(-2, -4)
d)
Z'(-4, -2)
48.
Reflect the point (-1, 2) over the y-axis.
a)
(-1, -2)
b)
(1, 2)
c)
(1, -2)
d)
(1, 4)
49.
All angles in similar figures are congruent.
a)
True
b)
False
50.
How does reflecting a figure over the y-axis change the ordered pair?
a)
Changes the x-coordinate
b)
Changes the y-coordinate
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