 3 years ago
kelhornb26
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Practice 20 QuestionsShow answers
• Question 1
300 seconds
Q. What is the axis of symmetry for the following equation?
y=4x2-8x+9
x=-8
x=1
x=-1
x=2
• Question 2
30 seconds
Q. What direction is the following equation opening?
y=-3x2-7x+8
Up
Down
Left
Right
• Question 3
30 seconds
Q. Does
y = -4x2
have a maximum or minimum value?

maximum
minimum
• Question 4
30 seconds
Q. What is the y intercept for the equation:
y = -8x2 + 3x - 7
(0, -8)
(0, 3)
(-8, -7)
(0, -7)
• Question 5
30 seconds Q. .How many zeros does this parabola have?
3
2
0
1
• Question 6
30 seconds
Q. A parabola has a vertex at (-3,2). Where is the axis of symmetry?
y = -2
x = 3
x = -3
y = 2
• Question 7
30 seconds
Q. Which answer choice describes  y = -3x2 +7x - 2 accurately?
opens up with a maximum
opens up with a minimum
opens down with a maximum
opens down with a minimum
• Question 8
180 seconds
Q. What is the equation for the axis of symmetry of
f(x)= (x +1)2 + 5?
x = 1
x = -1
x = -5
x = 5
• Question 9
30 seconds Q. Is this a max or min?
max
min
cannot be determined
• Question 10
180 seconds
Q. What piece of information does c identify in the following equation?
y=ax2+bx+c
Zeroes
Axis of Symmetry
Direction
y-intercept
• Question 11
180 seconds
Q. Find the vertex of
f(x) = -x- 4x + 12
(-2, 16)
(2, 0)
(2, 4)
(-2, 4)
• Question 12
180 seconds
Q. What is the axis of symmetry for the following equation? (hint: x = -b/2a)
y=4x2-8x+9
x=-8
x=1
x=-1
x=4
• Question 13
30 seconds Q. What is the domain of the function?
x≥3
x≤3
All real numbers
-1≤x≤5
• Question 14
30 seconds Q. What is the range of the function?
y≤3
y≥3
All real numbers
-6≤y≤3
• Question 15
30 seconds Q. What is the range?
y≥-3
y≥-1
All real numbers
y≤-1
• Question 16
30 seconds Q. On what interval is the function shown increasing?
(-∞, -3)
(-3, ∞)
(-2, ∞)
(-∞, -2)
• Question 17
60 seconds
Q. The graph of a quadratic function is called a
Parabola
Vertex
Axis of Symmetry
Vertex Form
• Question 18
60 seconds
Q. What is another word for zeros?
y-intercepts
roots
vertex
axis of symmetry
• Question 19
60 seconds Q. What are the x-intercepts?
0 and 2
-4 and 0
2 and 3
0 and 4
• Question 20
180 seconds
Q. Find the axis of symmetry for
f(x) = x2- 8x + 15.