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WorksheetsQuiz Parabolas and Function Operations
Total questions: 15
Worksheet time: 42mins
Name
Class
Date
1.
What is the vertex of the parabola shown?
a)
(1, 7)
b)
(-1, 7)
c)
(-1, -7)
d)
(300, 400)
2.
What is the y-intercept of the parabola shown?
a)
(0, -4)
b)
(0, 4)
c)
(-4, 0)
d)
(4, 0)
3.
What is the axis of symmetry of the parabola shown?
a)
x = 1
b)
(1, 3)
c)
(0, 2)
d)
x = -1
4.
Which equation would give the graph of a parabola?
a)
y = 2x - 3
b)
y = x2 + 1
c)
y = x2 + 4
5.
How can you tell whether a parabola is facing up or facing down by looking at the equation?
a)
The vertex tells you the direction of the opening
b)
The value of "a" tells you the direction of the opening.
c)
All parabolas open upward
d)
All parabolas open downward
6.
Does the quadratic have a max/min vertex, and does the parabola open up/down?
a)
max/ opens down
b)
min/ opens up
c)
max/ opens up
d)
min/ opens down
7.
Given f(x) = 3x2 + 7x and g(x) = 2x2 - x - 1, find (f + g)(x).
a)
11x2 - 1
b)
5x4 + 6x2 - 1
c)
5x2 + 6x - 1
d)
5x2 + 8x - 1
8.
f(x) = 9-3x
g(x) = 5x-7
Find f(x)+g(x).
g(x) = 5x-7
Find f(x)+g(x).
a)
14x-10
b)
-8x+2
c)
2x+2
d)
2x-2
9.
f(x) = 4x+8
g(x) = x+3,
Find f(x) * g(x)
g(x) = x+3,
Find f(x) * g(x)
a)
4x2+24
b)
4x2+20x+24
c)
4x2+12x+24
d)
4x2+4x+24
10.
f(x)=x2+1
g(x)=2x-5
Find f(x)-g(x)
g(x)=2x-5
Find f(x)-g(x)
a)
x2-2x+6
b)
-x2+2x+4
c)
-x2-2x-6
d)
x2-2x-4
11.
f(x) = 3x + 10
g(x) = x - 2
Find f(g(5))
g(x) = x - 2
Find f(g(5))
a)
19
b)
23
c)
-10
d)
None of these.
12.
p(x) = 3x + 4
q(x) = 2x2
Find q(p(-2))
q(x) = 2x2
Find q(p(-2))
a)
8
b)
-8
c)
28
d)
None of these.
13.
Given that f(x) = x2 + x and g(x) = 3x + 1, find the value of f(g(4)).
a)
182
b)
40
c)
61
d)
None of the Above
14.
f(x) = 3x + 10
g(x) = x - 2
Find f(g(0))
g(x) = x - 2
Find f(g(0))
a)
16
b)
4
c)
-4
d)
None of these.
15.
g(a) = 4a + 1
h(a) = -3a + 2
Find g(h(1))
a)
3
b)
-3
c)
21
d)
-21
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