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Functions: Graph Basics II Flashcards | StudBud
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Functions: Graph Basics II
Functions: Graph Basics II
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A #algebra #math Quiz! about the basics of #functions: #graphs, evaluations, zeroes, intercepts
Flashcards
26 cards
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Practice quiz
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Questions
26
Answers
1
If
f
(
x
)=5
x
+ 3, what is
f
(3)?
8
18
3
5
2
Which function is equivalent to x
2
+7x+10 ?
(x-1)(x-10)
(x-2)(x+4)
(x+2)(x+5)
(x+7)(x+10)
3
Which values of
x
make
g
(
x
)=(
x
-4)(
x
+2) equal to zero?
0, -4, and 2
0, 4 and -2
-4 and 2
4 and -2
4
When distributed and simplified, what becomes of (
x+
2)(
x+6
) ?
9x2+12
x2+8
x2+8x+12
x2+12
5
True/False: A function can have more than one
y
-intercept.
True
False
6
What are the zeroes of
y
(
x
)=(
x-8
)(
x+1
)
(8, 0) and (-1, 0)
(8, 0) and (1, 0)
(-8, 0) and (1, 0)
(-8, 0) and (-1, 0)
7
Any point on the
x
-axis has:
A y-value of 0.
An x-value of 0.
8
Pick the function
g
that has
g
(2) = 3
g(x) = x - 1
g(x) =2 x + 1
g(t) = t2-1
g(t) = t + 1
9
A chart for some function is pictured. How many
x
-intercepts are shown in the chart?
One
Three
Two
None
10
For the function
g
(
x
) pictured, what is
g
(2) ?
-1
1
3
2
11
For the function
f
(x) pictured, what is
f
(0)?
3
2
1
4
12
If
x
= -4 makes
f
(
x
) come out to equal zero, which of these binomials must
f
contain?
(x + 4)
(x - 4)
4x
13
For F(x)=(x+1)(x-6), what is F(5)?
1
6
-6
-1
14
If
x
= -3 makes
f
(
x
) come out to equal zero, which of these binomials must
f
contain?
(x - 3)
-3x
3x
(x +3)
15
According to its graph, how many
x
-intercepts does this function have?
Two
One
None
Three
16
What is the
y
-intercept of
y
= 5 + 10
x
?
(0, 5)
(10, 0)
(0, 10)
(5, 0)
17
A function's domain refers to...
y-values where the function is defined.
x-values where the function is defined
The inputs of a function
The outputs of a function
18
What is the
y
-intercept of
H
(
x
)=(2
x+3
)(
x-4
) ?
-12
4 and -3/2
0
-4 and 3/2
19
Which function has
x
= 5 as one of its zeroes?
y(x)=(x+5)(x-4)
h(x)=(x-5)2
f(x)=x(x-5)
g(x)=5x(x+2)(x+3)
20
A chart for some function is pictured. What is its
y
-intercept?
(4, 0)
(-2, 0)
(2, -3)
(0,-3)
21
What is/are the
x
-intercept(s) of the function pictured?
(2, 0) and (-1, 0)
(-2, 0) and (1, 0)
(0, -2)
22
Which value of x makes
f
(
x
) = 10-2
x
equal to zero?
5
6
8
10
23
True or False: (x+2)(x+1) = (x+1)(x+2)
True
False
24
What is the DOMAIN of the function pictured?
[-2, 6]
[5, 23]
25
Any point on the
y
-axis has:
A y-value of 0.
An x-value of 0.
26
True/False: A function can have more than one
x
-intercept.
False
True
