Solving Quadratics
Authored by Anthony Clark
Mathematics
9th Grade
CCSS covered
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9 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Solve
2x2 + 17x + 21 = 0
x= -21/2, -17
x= 2/3, 16
x=-7, -3/2
x=15, -3/7
Tags
CCSS.HSA-REI.B.4B
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Tags
CCSS.HSA-REI.B.4B
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Tags
CCSS.HSA-REI.B.4B
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Tags
CCSS.HSA-REI.B.4B
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Solve by taking square roots:
k2 - 6 = 43
k = √37
k = 37 or - 37
k = 7, k = -7
no solution
Tags
CCSS.HSA-REI.B.4B
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Solve by taking square roots:
5b2 - 4 = 41
b = 9, b = -9
b = 3, b = -3
b = 8, b = -8
no solution
Tags
CCSS.HSA-REI.B.4B
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Identify the 'a' value: y = 16x2 -8x -24
16
8
-8
-24
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