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2-15 Practice
By Patrick Silvey
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Last updated about 3 years ago
13 questions
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Question 1
1.
Question 2
2.
What is the coordinate of the y-intercept of the function?
Question 3
3.
What is the coordinate of one x-intercept of the function?
Question 4
4.
What is the coordinate of the other x-intercept of the function?
Question 5
5.
What is the coordinate of the vertex of the function?
Question 6
6.
Rewrite the function d(x) = x
2
+ 12x + 36 in vertex form. (Don't forget to write "d(x) =")
Question 7
7.
Rewrite the function f(x) = x
2
+ 10x + 21 in vertex form. (Don't forget to write "f(x) =")
Question 8
8.
Rewrite the function g(x) = 2x
2
- 20x + 32 in vertex form. (Don't forget to write "g(x) =")
Question 9
9.
Question 10
10.
What is the coordinate of the vertex of the graph of f(x) = 2(x + 1)
2
- 4?
Question 11
11.
What is the coordinate of the y-intercept of the graph of f(x) = 2(x + 1)
2
- 4?
Question 12
12.
Sketch the graph of the function f(x) = 2(x + 1)
2
- 4
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Question 13
13.
Select all of the statements that are true about the graph of this function.
A. The y-intercept is (0, -15)
B. The vertex is (-4, -1)
C. The x-intercepts are (-5, 0) and (-3, 0)
D. The x-intercepts are (0, 5) and (0, 3)
E. The x-intercept is (0, 15)
F. The y-intercept is (0, 15)
G. The vertex is (4, -1)
Select all the equations with irrational solutions.
A. 36 = x
2
B. x
2
= 1/4
C. x
2
= 8
D. 2x
2
= 8
E. x
2
= 0
F. x
2
= 40
G. 9 = x
2
- 1
How is the graph of the equation y = (x - 1)
2
+ 4 related to the graph of the equation y = x
2
?
A. It is shifted 1 unit right and 4 units up.
B. It is shifted 1 unit left and 4 units up.
C. It is shifted 1 unit right and 4 units down.
D. It is shifted 1 unit left and 4 units down.
