
Applying properties of operations on complex numbers to solve problems
Authored by Wayground Content
Mathematics
9th - 12th Grade
CCSS covered

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20 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Tags
CCSS.HSN.CN.C.9
2.
FILL IN THE BLANK QUESTION
30 sec • 1 pt
Tags
CCSS.HSN.CN.C.9
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
One solution to the equation is x = 1 + 4i. What would the factored form (x - m)(x - n)=0 of the quadratic be?
Answer explanation
Factored form is (x - m)(x - n) = 0, where m and n are solutions (aka x-values) that make the equation equal zero.
If one solution is x = 1 +4i, then you plug that in for m.
The other solution will be the conjugate x = 1 -4i and you plug that in for n.
Tags
CCSS.HSN.CN.C.9
4.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
For each function, determine the real zeros and state the multiplicity of any repeated zeros.
{0 mult. 3, 5, 2}
{−2 mult. 3, 3, 1}
{0 mult. 3, 3, 2}
{2 mult. 3, 3, 3}
Tags
CCSS.HSN.CN.C.9
5.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
One zero of 2x3-9x2-123x-220 is -4.
What is another zero?
Tags
CCSS.HSN.CN.C.9
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What is the total number of possible negative roots for the following equation?
y = 4x6 - 12x5 - x4 + 2x3 - 6x2 - 5x + 10
4
3
2
5
Tags
CCSS.HSN.CN.C.9
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
1
2
3
4
Tags
CCSS.HSN.CN.C.9
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