Adding and Subtracting Imaginary Numbers

Quiz
•
Mathematics
•
12th Grade
•
Hard
+2
Standards-aligned
Anthony Clark
FREE Resource
19 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Simplify.
(9 +21i) + (-7 - 15i)
2+6i
-2-6i
16+36i
-16-36i
Tags
CCSS.HSN.CN.A.2
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Find all solutions to each equation, real or imaginary.
x2=-36
6,-6
6
-6
6i, -6i
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Write the expression in the form of a+bi, where a and b are real numbers.
3 ⋅ √-25
15
-15
15i
-15i
Tags
CCSS.HSN.CN.A.1
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Simplify.
(-6 - 4i) + (1 + 4i) = _______
-5
-5+i
-7-8i
5
Tags
CCSS.HSN.CN.A.2
5.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
Choose the correct answer for the operation pictured.
7-13i
7-i
1-13i
1-i
Tags
CCSS.HSN.CN.A.2
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
(10x + 3i) – (2x – 9i)
20x – 27i
12x - 7i
8x + 12i
20x – 27i2
Tags
CCSS.HSN.CN.A.2
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Simplify:
(10+ 15i)-(48 - 30i)
58 - 45i
58 - 15i
-38 - 15i
-38 + 45i
Tags
CCSS.HSN.CN.A.2
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