Quadratics Review
Authored by Tiffany Kinlaw
Mathematics
9th Grade
CCSS covered
Used 9+ times
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22 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What is the axis of symmetry for the following equation?
y=4x2-8x+9
x = 5
x=1
y = 1
y = 5
Tags
CCSS.HSA.REI.B.4
2.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
(4x+1)(5x−2)
Tags
CCSS.HSA.APR.A.1
3.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
(x + 3)(x + 7)
Tags
CCSS.HSA.APR.A.1
4.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
A dolphin jumps from the water at at initial velocity of 16 feet per second. The equation h = -8t2 + 16t models the dolphin's height at any given time, t. What is the maximum height the dolphin jumps?
1 foot
5 feet
7 feet
8 feet
12 feet
Tags
CCSS.HSA.REI.B.4
CCSS.HSA.SSE.A.1
CCSS.HSF.IF.B.4
CCSS.HSF.IF.C.7
5.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Your nephew is standing on his deck, which is 4 feet off the ground. He tosses his toy up into the air. The equation
h = -2t2 + 7t + 4 models the toy's height, h, from the ground at t seconds after he threw it. How high is the toy after 1 second?
2
4
9
10
15
Tags
CCSS.HSA.SSE.A.1
CCSS.HSF.IF.A.1
CCSS.HSF.IF.A.2
6.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Fireworks are fired from the roof of a 100-foot building. The equation h = -16t2 +84t + 100 models the height, h, of the fireworks at any given time, t. How high do the maximum fireworks get?
2.625
6.25
100
200
210.25
7.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Find the vertex of
f(x) = -x2 - 4x + 12.
Tags
CCSS.HSA.REI.B.4
CCSS.HSF.IF.B.4
CCSS.HSF.IF.C.7
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