
Quiz 4(b) - Algebra 2-1
Quiz
•
Mathematics
•
9th - 12th Grade
•
Hard
Used 4+ times
FREE Resource
15 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Simplify: √(−49)
−7
7i
9i
−9
2.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Simplify: √(−18)
−6√3
−3√6
2i√3
3i√2
3.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Multiply: √−2 ⋅ √−32
−8
−4
8i
4i
4.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Multiply: √−5 ⋅ √−8
−2√10
2i√10
−4√10
4i√10
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Solve by taking the square root: x2 + 25 = 0
x = −5
x = 5i
x = ±5i
x = ±5
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Add: (2 − 9i) + (4 + 7i)
6 − 2i
6 + 2i
8 − 2i
8 + 2i
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Subtract: (8 + 3i) − (5 − 2i)
3 + i
13 − 5i
13 + i
3 + 5i
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