
Solving Quadratics with Square Roots Method and Imaginary Numbers
Authored by Anthony Clark
Mathematics
10th Grade
CCSS covered

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19 questions
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1.
DROPDOWN QUESTION
1 min • 4 pts
no real solution
1 real solution
2 real solutions
imaginary
fake
intangible
i
a
e
b
Tags
CCSS.HSN.CN.A.1
2.
REORDER QUESTION
1 min • 4 pts
Reorder the following steps for solving quadratics by square roots.
REWRITE the equation as x2 = n
SIMPLIFY the radical. Place "±" to indicate both answers.
Take the SQUARE ROOT of both sides
Tags
CCSS.HSA-REI.B.4B
3.
MULTIPLE CHOICE QUESTION
1 min • 4 pts
Solve the equation using the square roots method:
x2 − 64 = 0
x = ±8
x = ±64
x = ±32
x = ±16
x = ±4
Tags
CCSS.HSA-REI.B.4B
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Solve by taking square roots:
2b2 - 4 = -166
b = 9i, b = -9i
b = 3, b = -3
b = 9, b = -9
b = 3i, b = -3i
Tags
CCSS.HSA-REI.B.4B
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Solve by taking the square root: -9k2 = 225
4i
4, -4
25i, -25i
-5i, 5i
Tags
CCSS.HSA-REI.B.4B
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Tags
CCSS.8.EE.A.2
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Solve using square roots.
√3
±√3
-3
±i√3
Tags
CCSS.HSA-REI.B.4B
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