Free Printable PreCal Review game Test 8

1.

What is $i^2$ ?

a)

$i$

b)

$-1$

c)

$-i$

d)

$1$

2.

What is $i^{11}$ ?

a)

-1

b)

1

c)

i

d)

-i

3.

Simplify $\sqrt{-25}$

a)

i√25

b)

5i

c)

-5i

d)

25i

4.

Simplify $18-\sqrt{-25}$

a)

$5i$

b)

$18\ -\ 5i$

c)

$18\ +\ 5i$

d)

23

5.

$\left(3-i\right)\left(2+4i\right)=$

a)

$10+10i$

b)

$1-5i$

c)

$6-4i^2$

d)

$10$

6.

a)

b)

c)

d)

7.

Simplify

(5 - 2i) + (-7 + 8i)

a)

-2 + 6i

b)

12 + 6i

c)

-35 - 16i²

d)

-35 - 16i

8.

Simplify:
(7 + 2i)(9 - 6i)

a)

75-24i

b)

63 - 24i - 12i²

c)

51 - 24i

d)

58 + 60i

9.

Simplify

a)

$\frac{-10+6i}{17}$

b)

$\frac{1+10i}{61}$

c)

$\frac{10-6i}{17}$

d)

$\frac{-21+33i}{34}$

10.

$\left(-6i\right)\left(-6-2i\right)+\left(3i\right)\left(8+4i\right)$

a)

$-24+75i$

b)

$-12+72i$

c)

$12i$

d)

$-24+60i$

11.

What is the simplified form of (8 -3i)²?

a)

73

b)

16 - 6i

c)

55 + 48i

d)

55 - 48i

12.

How do you write a complex number?

a)

a-bi

b)

a+bi

c)

ai+b

d)

ai-b

13.

What is the "real part" of this complex number:

8\ +\ 2i

a)

8

b)

2i

14.

What is the "imaginary part" of the complex number:
$-2\ +\ 7i$

a)

2

b)

-2

c)

7i

d)

-7i

15.

$\left(3-15i\right)-\left(-3+15i\right)$

a)

$0$

b)

$6$

c)

$6-30i$

d)

$-30i$

16.

Where is point C located?

a)

2 + i

b)

-3

c)

2i

d)

-1 - i

17.

Where is point D located?

a)

2 + i

b)

-3

c)

2i

d)

-1 - i

PreCal Review game Test 8

Total questions: 17

Worksheet time: 39mins

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