Solving Quadratics Complex Solutions
Quiz
•
Mathematics
•
10th Grade
•
Practice Problem
•
Easy
Standards-aligned
Anthony Clark
Used 1+ times
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13 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Solve.
x2−2x+11=0
1±i√10
1±√10
-1±i√10
-1±√10
Tags
CCSS.HSA-REI.B.4B
CCSS.HSN.CN.C.7
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Which is a solution to x2 - 4x + 5 = 0
2 + i
2i
2 - 2i
-2 - i
Tags
CCSS.HSA-REI.B.4B
CCSS.HSN.CN.C.7
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Solve by completing the square.
x2 +12x = 5
X = 6 + √41 or 6 − √41
X= 35 or 47
X = −6 + √41 or −6 − √41
X = √35 or √47
Tags
CCSS.HSA-REI.B.4B
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
A
B
C
D
Tags
CCSS.HSA-REI.B.4B
CCSS.HSN.CN.C.7
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
If the discriminant is negative, then the quadratic has:
Real Solution
Real Solutions
Half a Solution
No Real Solutions
Tags
CCSS.HSA-REI.B.4B
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
If the discriminant is positive, then the quadratic has:
Real Solution
Real Solutions
Half a Solution
No Real Solution
Tags
CCSS.HSA-REI.B.4B
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Find the value of the discriminant and describe the number and type of roots: 5x2-2x+4=0
76; 2 real
-76; 2 real
-76; 2 complex
76; 2 complex
Tags
CCSS.HSA-REI.B.4B
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