Quadratic Formula with I
Authored by Anthony Clark
Mathematics
9th Grade
CCSS covered
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13 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Solve x2 - 5x + 10 = 0
(5 - i√15)/2 , (5 + i√15)/2
(5 - √15)/2 , (5 + √15)/2
(5 - i√65)/2 , (5 + i√65)/2
(5 - √65)/2 , (5 + √65)/2
Tags
CCSS.HSA-REI.B.4B
CCSS.HSN.CN.C.7
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Solve -2x2 + 4x = 9
(2 - i√14)/2 , (2 + i√14)/2
(2 - i√-56)/2 , (2 + i√-56)/2
(2 - i√-14)/2 , (2 + i√-14)/2
(2 - √14)/2 , (2 + √14)/2
Tags
CCSS.HSA-REI.B.4B
CCSS.HSN.CN.C.7
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
If b2-4ac is negative, the quadratic equation has:
Two real solutions that are different
Two imaginary solutions that are different
One real solution
One imaginary solution
Tags
CCSS.HSA-REI.B.4B
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What are the zeros of the function f(x) = x2 + 64?
-8 and 8
-8i and 8i
(-√8) i and (√8) i
-√8 and √8
5.
LABELLING QUESTION
1 min • 1 pt
Fill in quadratic formula
-b^2-4ac
2a
b
-2a
b^2+4ac
a^2
4ac-b^2
b^2-4ac
b^2
-b
Tags
CCSS.HSA-REI.B.4B
6.
LABELLING QUESTION
1 min • 3 pts
Fill in quadratic formula
b
-2a
4ac-b^2
-b^2-4ac
2a
b^2
b^2+4ac
-b
a^2
b²-4ac
Tags
CCSS.MATH.CONTENT.HSN.CN.C.7
CCSS.MATH.CONTENT.HSA.SSE.A.1.b
7.
HOTSPOT QUESTION
1 min • 1 pt
Tags
CCSS.HSA-REI.B.4B
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