WorksheetsPractice With Imaginary Powers
Total questions: 9
Worksheet time: 9mins
Name
Class
Date
1.
Solve. x² = √-36
a)
x = ± 6
b)
x = 6i
c)
x = ± 6i
d)
x = i√6
2.
Solve x² = √-25
a)
x = -5
b)
x = ± 5i
c)
x = √5
d)
x = ± 5
3.
Solve. x² = √-40
a)
x = 4i√10
b)
x = ± 2√10
c)
x = ± 2i√10
d)
x = ± 10i√2
4.
Solve. x² = √-90
a)
x = 3√10
b)
x = 9i√10
c)
x = ± 3√10
d)
x = ± 3i√10
5.
Solve.
x² = √-100
a)
x = 10i
b)
x = ± 10i
c)
x = ±10
d)
x = √10
6.
Solve.
4x² - 7 = -10
a)
x = ± (3i)/2
b)
x = ± (i√3)/2
c)
x = ± (i√3)/4
d)
x = ± (i√6)/4
7.
Solve.
25x² + 18 = 2
a)
x = ± (i√4)/25
b)
x = ± (-4)/5
c)
x = ± (-8)/5
d)
x = ± (4i)/5
8.
Solve.
x² +12 = 5
a)
x = ± 49
b)
x = ± i√7
c)
x = ± √7
d)
x = ± 3.5i
9.
Solve.
3x² + 2 = 12
a)
x = ± (i√30)/3
b)
x = ± √10
c)
x = ± (√30)/3
d)
x = ± (i√13)/3
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