U4 Exploring Polynomial Functions CFA #4
Quiz
•
Mathematics
•
11th Grade
•
Practice Problem
•
Hard
+3
Standards-aligned
DaMaris Marshall
Used 2+ times
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11 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the complex conjugate of 20 – 9i?
–20 + 9i
20 + 9i
–20 – 9i
20 – 9i
Tags
CCSS.HSN.CN.A.3
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The real part in this complex number –2i is
2
-2
–2i
0
i
Tags
CCSS.HSN.CN.A.1
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Simplify (3 + 2i)(2 – 3i).
–5i
12 – 5i
7
6 – 9i
Tags
CCSS.HSN.CN.A.2
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
–8
8i
8
–8i
Tags
CCSS.HSN.CN.A.3
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What does the imaginary number i represent?
–1
√–1
–√–1
–√1
Tags
CCSS.HSN.CN.A.1
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Which of these expressions is equal to 4 - 7i?
(6 - i) - (2 - 8i)
(6 + i) - (2 + 8i)
(6 + i) + (2 + 8i)
(6 - i) + (2 - 8i)
Tags
CCSS.HSN.CN.A.2
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Write an equivalent expression for (x + y)(x - y).
Tags
CCSS.HSA.APR.C.4
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