SMS Alg Quiz #3 Review
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by Malia Rivera
| 30 Questions
Directions for #1-12: Tell whether the equation represents direct variation, inverse variation, or neither.
1
1
3x + y = 6
Inverse
Direct
Neither
I'm not sure
2
1
y = 7x
Inverse
Direct
Neither
I'm not sure
3
1
xy = 8
Inverse
Direct
Neither
I'm not sure
4
1


Inverse
Direct
Neither
I'm not sure
5
1
y = -2x
Inverse
Direct
Neither
I'm not sure
6
1
x = 7y
Inverse
Direct
Neither
I'm not sure
7
1


Inverse
Direct
Neither
I'm not sure
8
1


Inverse
Direct
Neither
I'm not sure
9
1


Inverse
Direct
Neither
I'm not sure
10
1


Inverse
Direct
Neither
I'm not sure
11
1


Inverse
Direct
Neither
I'm not sure
12
1


Inverse
Direct
Neither
I'm not sure
Given that y varies directly with x, use the specified values to write an inverse variation equation that relates x and y. Then find the value of y when x =3.
13
1
(Follow directions above) x = 5, y = 25
Just write the number for your answer
14
1
(Follow directions above) x = 3, y = 18
Just write the number for your answer
15
1
(Follow directions above) x = 25, y = 250
Just write the number for your answer
Given that y varies inversely with x, use the specified values to write an inverse variation equation that relates x and y. Then find the value of y when x =3.
16
1
(Follow directions above) x = 4, y = 3
Just write the number for your answer
17
1
(Follow directions above) x = 10, y = 6
Just write the number for your answer
18
1
(Follow directions above) x = 6, y = 6
Just write the number for your answer
19
1
(Follow directions above) x = -5, y = 9
Just write the number for your answer
20
1
(Follow directions above) x = -2, y = 12
Just write the number for your answer
Directions for #21-22: Identify the direct variation equation from the graph.
21
1
(Follow the directions above)
zoom_in

22
1
(Follow the directions above)
zoom_in
Directions for #23-30: Select all the transformations that are happening to the function.
23
1
f(x) = x; g(x) = -x+2
Vertical translation up
Vertical translation down
Reflect over the x-axis
Dilation, Vertical compression
Dilation, Vertical stretch
24
1
f(x) = x; g(x) = 1/3x
Vertical translation up
Vertical translation down
Reflect over the x-axis
Dilation, Vertical compression
Dilation, Vertical stretch
25
1
f(x) = x; g(x) = -1/5x - 6
Vertical translation up
Vertical translation down
Reflect over the x-axis
Dilation, Vertical compression
Dilation, Vertical stretch
26
1
f(x) = x; g(x) = 4x + 5
Vertical translation up
Vertical translation down
Reflect over the x-axis
Dilation, Vertical compression
Dilation, Vertical stretch
27
1
f(x) = x; g(x) = -10x
Vertical translation up
Vertical translation down
Reflect over the x-axis
Dilation, Vertical compression
Dilation, Vertical stretch
28
1
f(x) = x; g(x) = 5/7x - 3
Vertical translation up
Vertical translation down
Reflect over the x-axis
Dilation, Vertical compression
Dilation, Vertical stretch
29
1
f(x) = x; g(x) = 2x +4
Vertical translation up
Vertical translation down
Reflect over the x-axis
Dilation, Vertical compression
Dilation, Vertical stretch
30
1
f(x) = x; g(x) = -3/2x + 1
***Be careful! Think about 3/2....
Vertical translation up
Vertical translation down
Reflect over the x-axis
Dilation, Vertical compression
Dilation, Vertical stretch
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