MATH-A
FMS_Dean, A_Slope and Variation
Exam not valid for Paper Pencil Test Sessions
1
Type your answer in the box. What is the slope of the line that passes through the points (-5, 13) and (2, -1)?
The slope is
2
What is the slope of the line that passes through (2, 2) and (5, 4)?
2 3 3 B 2 2 C
3 3 D
2 A -
3
[Exam ID:10L6PK
What is the slope of a line that passes through (-1, 8) and (-1, -7)?
A
B
C
D
Undefined
-1
0
7
4
5
Which graph best represents an equation of a line with an undefined slope?
A
C
B
D
Which graph best represents an equation of a line with the slope of 0?
A
C
B
D
6
7
Which is most likely the graph of a line with a negative slope?
A
C
B
D
Which is most likely the graph of a line with a positive slope?
A
C
B
D
8
9
Which graph shows a line with a slope of 3?
A
C
B
D
Type your answer in the box. What value of x would make (4, 16) and (x, 24) a direct variation? 10 The money Tyson earns, m , varies directly with the number of cans he collects, c . He earns $14.50 for collecting 29 cans. Which equation represents the money he earned for collecting cans?
A m = 29c
B m = 0.25c
C m = c + 14.5
D m = 0.5c
11 Which is an equation for the direct variation that includes the given data? A
B
C
D
y = 5x
y = -5x
y = x - 4
y = x
12 Which is an equation for the direct variation that includes the given data? x 2 B y = x - 2
C y = x + 2
D y = 2x
A y = 13 Directions: Click on a box to choose the ordered pair you want to select. You must select all correct ordered pairs.
Select three ordered pairs that will create a relation that is a direct variation.
(6, 7.5)
(4, 8)
(8, 6)
(3, 2.25)
(4, 3)
(9, 15)
14 The money Sam earns, m , varies directly with the number of hours she baby sits, h . She earns $50 for five hours. Which equation represents the variation?
A m = 50h
B m = 10h
C m = 10h + 5
D m = 5h
15 For a group of objects made of the same material, the weight of an object varies directly with its volume. If an object that has a volume of 20 cubic inches weighs 28 ounces, what is the constant of variation?
5 7 B 28
7 C
5 D 20
A
16 The number of words Maria typed varied directly with the amount of time she spent typing. If she typed 275 words in 5 minutes, how long would it take her to type 1,100 words?
A 20 minutes
B 15 minutes
C 4 minutes
D 220 minutes
17 Trina’s paycheck earnings, p , varies directly as the number of hours, h , she works. If she works 19 hours and earns $187.15, what should she earn if she worked 40 hours?
A $512.20
B $472.80
C $443.25
D $394.00
18 The number of miles, m , a car can travel varies directly with the amount of gas, g , in its fuel tank. If k is the constant of variation, which equation represents that situation?
g k B m = kg
C m = g + k
k D m = g A m = 19 Which graph shows that y varies directly as x ?
A
C
B
D
20 Click on a box to select an answer. You must select all correct tables.
Which of the following tables represent a direct variation?
21 Directions: Click on a box to choose a relationship you want to select. You must select all correct relationships.
Identify each relationship that represents an inverse variation.
22 Which table represents an inverse variation?
A
C
B
D
23 The speed you run is inversely proportional to the time it takes to travel a specific 1 distance. You run 6 miles per hour and it takes you 1 hours to get from your house 2 to the park. Which equation represents this relationship?
A xy = 9
B y = 4x
x C y = 9 1 D y = x
4 24 The time it takes to paint a house varies inversely with the number of workers. Three workers can paint a house in twelve hours. How much time would five workers need to paint the same house?
A 6 hours and 45 minutes
B 7 hours and 5 minutes
C 7 hours and 12 minutes
D 20 hours
25 Directions: Type your answer in the box. Use "/' for fraction bar if necessary.
The table shows that y varies inversely with x . What is the missing value?