Solve Quadratic Equations by Quadratic Formula
Authored by Anthony Clark
Mathematics
9th Grade
CCSS covered
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14 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Solve 8x2 - 6x + 1 = 0
No Solution
0 or 1
-0.5 or -0.25
0.25 or 0.5
Tags
CCSS.HSA-REI.B.4B
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Solve 2x2 + 7x - 15 = 0
-1.5 or 5
No Solution
-5 or 1.5
0.7 or 5
Tags
CCSS.HSA-REI.B.4B
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Solve for x:
3x2 - 6x + 6 = 0
x = 1± i
x = 3, -6
x = 4.8, 2.7
Undefined
Tags
CCSS.HSA-REI.B.4B
CCSS.HSN.CN.C.7
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What is the quadratic formula?
Tags
CCSS.HSA-REI.B.4B
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Solve the equation using the quadratic formula.
x2 + 7x = x - 10
-6/2 + √4
-6/2 - √4
no solution
∅
Tags
CCSS.HSA-REI.B.4B
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Solve using the Quadratic Formula:
15x2 + 22x = −8
x = −2/3, 4/5
x = 2/3, −4/5
x = 2/3, 4/5
x = −2/3, −4/5
Tags
CCSS.HSA-REI.B.4B
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Solve using the Quadratic Formula:
4x2 + x - 95 = 0
x = 7 or x = -6
x = 5 or x = -6
x = 4.75 or x = -5
x = -4.75 or x = 5
Tags
CCSS.HSA-REI.B.4B
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