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Practice 25 QuestionsShow answers
• Question 1
60 seconds
Q. Identify the 'b' value: y = 16x2 -8x -24
16
-8
8
-24
• Question 2
60 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 3
60 seconds Q. Is this a max or min?
max
min
cannot be determined
• Question 4
60 seconds
Q. What is the axis of symmetry of: y=2x2-4x+9
x = 1
x = -1
x = -2
x = 4
• Question 5
30 seconds Q. What is the equation for axis of symmetry?
y=3
x=3
x=5
x=1
• Question 6
20 seconds
Q. The standard form of a quadratic function is
ax2 + bx + c
a(x - h)2 + k
y - y= m(x - x1)
ax + by = c
• Question 7
60 seconds
Q. What do we call the highest or lowest point of a quadratic?
parabola
vertex
graph
point
• Question 8
30 seconds
Q. What is the vertex of the following quadratic function
f(x) = 1∕2(x - 2)2 + 5
(-2, -5)
(2, 5)
(-2, 5)
(2, -5)
• Question 9
30 seconds
Q. What is vertex form of a quadratic function
ax2 + bx + c
a(x - h)2 + k
y - y= m(x - x1)
Ax + By = C
• Question 10
300 seconds
Q.

What is the y-intercept of the following funtion

f(x) = -2x2 +3x - 7

(0, -2)

(0, 3)

(0, -7)

(0, 7)

• Question 11
20 seconds
Q. What is the domain of all quadratic functions
x ≥ 0
x ≤ 0
All real numbers
x = 0
• Question 12
30 seconds
Q. What is the vertex of
f(x) = -2(x - 4)2 + 3
(-4, -3)
(4, 3)
(-4, 3)
(4, -3)
• Question 13
60 seconds
Q. What is the vertex of the following function
2x2 + 4x - 5
(0, -5)
(-3, 0)
(1, 0)
(-1, -7)
• Question 14
60 seconds
Q. What is the axis of symmetry for the following function
f(x) = 2x2 - 2x + 3
x = 1/2
y = 1/2
x = 3
y = 3
• Question 15
45 seconds
Q. What is the range of the following function
f(x) = -3(x - 4)2 - 1
All Real Numbers
x ≤ 4
y ≥ -1
y ≤ -1
• Question 16
20 seconds
Q. The quadratic parent function is
y = x
f(x) = x
f(x) = x2
y = √x
• Question 17
45 seconds
Q. What is the vertex?
y = (x-9)2+5
(-9,5)
(9,5)
(5,-9)
(-5,9)
• Question 18
30 seconds
Q. What are the x-intercepts of this equation?
y = (x+3)(x-6)
x = 3, x = -6
x = -3, x = -6
x = -3, x = 6
x = 3, x = 6
• Question 19
45 seconds
Q. What is the axis of symmetry?
y = (x+1)2-5
1
x = -1
x = 1
x = 5
• Question 20
45 seconds
Q. The axis of symmetry is...
The imaginary line that divides the parabola in half
The highest point or the lowest point of the parabola
The solutions/roots/zeros
The parabola
• Question 21
45 seconds
Q. What is the vertex?
y = (x-2)2+6
(2,-6)
(2,6)
(6,2)
(-6,-2)
• Question 22
120 seconds
Q. Find the roots of the following equation
x2 + 13x + 40 = 0
-8, 5
-40, -1
5, 8
-8, -5
• Question 23
60 seconds Q. What are the x- intercepts?
x= 0 and x= -4
x= 0 and x= 4
y= 0
x= 2
• Question 24
180 seconds Q. Use the graph to determine the solutions.
-1 and -3
1 and -3
1 and 3
-1 and 3
• Question 25
180 seconds Q. What is the vertex?