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REVIEW Unit 6 and 7A CBA 12/14/20

Total questions: 32

Worksheet time: 8hrs 0mins

Name
Class
Date
1.

Which statement below accurately represents the graph?

a)

$100 is earned for each hour worked

b)

$100 is earned for every 2 hours worked

c)

$500 is earned for every 8 hours worked

d)

$150 is earned for every 3 hours worked

2.
Find the rate of change.
a)
-2 minutes per gallon
b)
-20 minutes per gallon
c)
-2 gallons per minute
d)
-20 gallons per minute
3.
Calculate the rate of change.
a)
6
b)
1/6
c)
-6
d)
-1/6
4.

At what rate did the rain fall?

a)

2 cm per hour

b)

1/4 cm per hour

c)

1/2 cm per hour

d)

4 cm per hour

5.

Which best describes the scatter plot below?

a)

Negative Association

b)

No Correlation

c)

Positive Association

d)

Non Linear

6.
What type of correlation does the following scatterplot show?
a)
Positive 
b)
Negative
c)
None
7.
What type of correlation does the following scatterplot show?
a)
Positive
b)
Negative 
c)
None
8.
What type of correlation does this graph have?
a)
Negative 
b)
no association
c)
positive 
9.

What is the correlation between length of running start and distance of jump?

a)

positive: the further you run the further you jump

b)

negative: the less you run the less distance of your jump

c)

positive: the further your running start the less your distance

d)

negative: the more you run the less distance you jump

10.

How many veggie burgers will be sold to 20 people?

a)

6 veggie burgers

b)

8 veggie burgers

c)

10 veggie burgers

d)

12 veggie burgers

11.

How many positive responses will be given after 22 hours?

a)

55 positive responses

b)

45 positive responses

c)

100 positive responses

d)

30 positive responses

12.

The scatter plot shows the relationship between the number of chapters and the total number of pages for several books. Use the trend line to predict how many chapters would be in a book with 180 pages.

a)

12 chapters

b)

15 chapters

c)

18 chapters

d)

21 chapters

13.

Find the slope-intercept equation

a)

y = 4x + 6

b)

y = -4x - 6

c)

y = 1/4x - 6

d)

y = -1/4x + 6

14.

Find the slope-intercept equation

a)

y = 2x + 3

b)

y = -2x +3

c)

y = 1/2 x+3

d)

y = -1/2 x+3

15.

Determine which equation best represents the table shown.

a)

y=4x+6

b)

y=1/4x+6

c)

y=4x-6

d)

y=1/4x-6

16.

What is the equation that represents the table?

a)

y = - 2x - 5

b)

y = 2x + 5

c)

y = 1/2x

d)

y = 1/2x + 5

17.

Which equation represents the table?

a)

y = - 2x - 4

b)

y = 2x - 2

c)

y = 2x

d)

y = -2x - 2

18.
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
19.
What scale factor was used to produce the image?
a)
2
b)
-2
c)
1/2
d)
1
20.
Find the measure of x:
a)
6
b)
24
c)
33
d)
36
21.
Dilate Point B by a scale factor of 3:
a)
(12,0)
b)
(12,12)
c)
(4,3)
d)
(0,12)
22.
Determine how to translate triangle ABC to triangle A'B'C'.
a)
left 2, up 9
b)
right 2, down 9
c)
left 2, down 9
d)
left 2, up 5
23.
How is triangle ABC being translated to triangle A'B'C'?
a)
up 3, left 8
b)
up 9, left 4
c)
down 3, right 8
d)
down 9, right 4
24.

A point is translated 3 units left and 4 units up. What is the correct translation rule?

a)

(x,y)→(x+3,y+4)

b)

(x,y)→(x-3,y-4)

c)

(x-3,y+4→(x,y)

d)

(x,y)→(x-3,y+4)

25.
Find the height of the tree.
a)
8 ft
b)
12 ft
c)
13 ft
d)
15 ft
26.
a)
6.25
b)
5.5
c)
6
d)
5.75
27.
If a shape is dilated by a scale factor of one-half, what is the resulting perimeter? 
a)
The same as the perimeter of the preimage
b)
The new perimeter is bigger than the preimage
c)
The new perimeter is smaller than the preimage
d)
The new perimeter is 4 times the original
28.
a)
The perimeter of the new rectangle will be the same as the perimeter of the original rectangle.
b)
The perimeter of the new rectangle will be 2.5 times as large as the perimeter of the original rectangle.
c)
The perimeter of the new rectangle will be 5 times as large as the perimeter of the original rectangle.
29.
If a rectangle is drawn and another rectangle is drawn so that the sides are twice as big as the first rectangle, what happens to the area?
a)
doubles
b)
triples
c)
quadruples
d)
not enough information
30.

Determine which word problem best describes the table.

a)

Debbie has $7 and will deposit $2 each week.

b)

Debbie has $7 and will withdrawal $2 each week.

c)

Debbie has $2 and will deposit $7 each week.

d)

Debbie has $2 and will save $7 each week.

31.

Which proportion is true?

a)

vw=54.38\frac{v}{w}=\frac{5}{4.38}

b)

v6=4.22.52\frac{v}{6}=\frac{4.2}{2.52}

c)

6w=57.3\frac{6}{w}=\frac{5}{7.3}

d)

v6=7.32.52\frac{v}{6}=\frac{7.3}{2.52}

32.

Which proportion is true?

a)

62.5=x21\frac{6}{2.5}=\frac{x}{21}

b)

62.5=21x\frac{6}{2.5}=\frac{21}{x}

c)

621=x2.5\frac{6}{21}=\frac{x}{2.5}

d)

6x=2.521\frac{6}{x}=\frac{2.5}{21}

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