
Operations on complex numbers
Quiz
•
Mathematics
•
9th - 12th Grade
•
Hard
Standards-aligned
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20 questions
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1.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
f(x)= x2(x – 2)3(x – 7)
State the zeros, include multiplicity.
Tags
CCSS.HSN.CN.C.9
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
If the graph of a function crosses the x-axis, what does that mean about the multiplicity of that zero?
Even
Odd
None
Tags
CCSS.HSN.CN.C.9
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
f(x) = 2x3 - 3x2 + 4x -10
State the maximum number of turns the graph of f(x) could make.
3
2
1
0
Tags
CCSS.HSN.CN.C.9
4.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Solve
b=4/5, b=3
b=4, b=-3
b=1/5, b=3
b=4/5, b=-3
Tags
CCSS.HSN.CN.C.9
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Which of the following is a solution to -x2-2x+8=0?
(-1,9)
(0,8)
No solutions
(-4,0)
Tags
CCSS.HSN.CN.C.9
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Given the polynomial equation, what would be the actual scenario of real vs. imaginary roots?
1 Real, 2 Imaginary
2 Real, 1 Imaginary
0 Real, 2 Imaginary
3 Real, 1 Imaginary
Answer explanation
Remember, imaginary roots can ONLY come in pairs!
Tags
CCSS.HSN.CN.C.9
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
(x - 5)(x - 2) = 0
x = -5 and 2
x = 5 and 2
x = 5 and -2
x = -5 and -2
Tags
CCSS.HSN.CN.C.9
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