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Quadratic Test Review Flashcards | StudBud
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Quadratic Test Review
Quadratic Test Review
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Math II - key features, key features in context (word problems), and transformations.
Flashcards
30 cards
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Practice quiz
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Questions
30
Answers
1
What is the range of the following graph?
negative infinity to 1
negative infinity to 2
2 to infinity
2 to negative infinity
2
Find the Axis of Symmetry for the function y= -2x
2
- 8x + 3
x=-4
x=-2
x=4
x=2
3
What is the y-intercept of f(x)=x
2
+4x-5?
(0,-5)
(-5,0)
y=5
y=-5
4
How is the function g(x)=-(x-2)
2
+4 different from f(x)=(x-2)
2
+1
Shifted up 3
Shifted up 4
Flipped over the x-axis and shifted up 4
Flipped over the x-axis and shifted up 3
5
This models a rocket being launched, what is the interval of decrease on the practical domain?
4 to infinity
0 to 4
4 to 8
0 to 16
6
What is the interval of increase for the following graph?
0 to infinity
negative infinity to 5
5 to infinity
infinity to 0
7
What is the interval of decrease of the following graph?
1 to infinity
negative infinity to 2
negative infinity to 1
2 to infinity
8
Does the function y= -2x
2
- 8x + 3 open up or down?
Up
Not enough information
Down
9
What is the axis of symmetry?
8
x=4
x=8
4
10
The following graph models a diver jumping into the water. What is the divers maximum height?
1 foot
3 feet
7 feet
5 feet
11
If this graph models a rocket being launched, what is the practical range?
0 to 8
0 to 16
negative infinity to 16
negative infinity to infinity
12
What is the correct equation for this graph?
y=-x2+1
y=(x-2)2+1
y=-(x-2)2-1
y=-(x-2)2+1
13
What are the x-intercepts of the function y=-x
2
+6x
(0,0) and (6,0)
(0,0) and (-6,0)
(0,0) and (3,0)
(-1,0) and (1,0)
14
What are the zeros of the function h = -5t
2
+ 20
t= 0, t=-4
No Solution
t=2, t=-2
t=5, t=-5
15
After how many seconds does the ball hit the ground?
5 sec
4 sec
2 sec
0 sec
16
If y= -x
2
+ 10x + 6 models a divers height in feet, what was the divers initial height?
5 feet
6 feet
26 feet
10 feet
17
What is the axis of symmetry?
2
x=1
1
y=2
18
Describe the transformation needed to obtain f(x)=3x
2
-1 from the parent function.
wide by a factor of 3 and shift left 1
narrow by a factor of 3 and shift right 1
narrow by a factor of 3 and shift down 1
wide by a factor of 3 and shift down 1
19
If this graph models a rocket being launched, what is the practical domain?
0 to 8
0 to infinity
0 to 16
negative infinity to infinity
20
This models a rocket being launched, what is the interval of increase on the practical domain?
4 to 8
0 to 4
negative infinity to 4
0 to 16
21
What transformation is needed to obtain g(x)=-(x+2)
2
-1 from f(x)=(x+2)
2
+4
Reflect over x-axis and shift down 5
Narrower and shift down 5
Shift left 2 and down 1
Reflect over x-axis and shift down 1
22
The vertex of f(x)=-2x
2
-4x+9 is a...
neither a minimum or a maximum
both a minimum and a maximum
maximum
minimum
23
The graph represents a ball being tossed. How long does it take to reach its max height?
3 sec
5 sec
1 sec
7 sec
24
How does the function f(x)=-1/2x
2
relate to the parent function?
Wider by a factor of 2 and flipped over the x-axis
Narrower by a factor of 2 and flipped over the x-axis
Wider by a factor of 2
Narrower by a factor of 2
25
What is the range of the following graph?
negative infinity to 2
negative infinity to infinity
2 to infinity
-2 to infinity
26
What is the vertex of the function y=(x+5)
2
-2
(25, -2)
(-5, -2)
(-25, 2)
(5, -2)
27
Which function has a higher initial height than the graph shown?
y=-x2+12
y=-x2+20
y=-x2+8x-16
y=-x2+2x+10
28
If you are asked to find when a diver will hit the water what are you being asked to find?
x-intercept
x-value of vertex
y-intercept
y-value of vertex
29
If you are asked to find when a ball will reach its maximum height what should you find?
x-intercept
y-intercept
The y value of the vertex
The x-value of the vertex
30
Which is a zero of the function y= x
2
-3x-10
(-3/2, 0)
(-10, 0)
(2, 0)
(5, 0)
