9.17 Add/Sub Complex Numbers Lesson Slides: 6 Slides

6 Slides • 11 Questions

1

Complex Numbers

Addition & Subtraction

2

Fill in the Blanks

REVIEW: Complex numbers are made up two components: a real number part and an

Type answer...

number part.

3

Fill in the Blanks

REVIEW: Complex numbers are written in

Type answer...

form.

4

5

Multiple Choice

Simplify the radical expression

\sqrt{-49}

1

$7$

2

$7i$

3

$\pm7$

4

It's already simplified.

6

7

Multiple Choice

Simplify the radical expression

\sqrt{-12}

1

$i\sqrt{12}$

2

$-4i\sqrt{3}$

3

$-2i\sqrt{3}$

4

$-2\sqrt{3}$

5

$-4\sqrt{3}$

8

9

Multiple Choice

Simplify the expression by combining like terms.

2i-3+4i

1

$6i-3$

2

$-3+6i$

3

$6i^2-3$

4

$3-6i^2$

10

Multiple Choice

Simplify the expression by combining like terms.

6-2\left(i+4\right)

1

$4i+16$

2

$4i+4$

3

$2+2i$

4

$-2-2i$

11

Fill in the Blanks

Simplify the expression by combining like terms.

3i+4\left(3i-7\right)

Type answer...

12

13

Multiple Choice

Perform the indicated operation and simplify the expression.

\sqrt{36}+\sqrt{-12}-10

1

$4-i\sqrt{12}$

2

$-4+i\sqrt{12}$

3

$4-2i\sqrt{3}$

4

$-4+2i\sqrt{3}$

14

Multiple Choice

Perform the indicated operation and simplify the expression.

2i\left(2i-4\right)

1

$4i^2-8i$

2

$-4-8i$

3

$-4i$

4

$4i^2-8$

15

DON'T FORGET!

Whenever you have an i squared in an expression, it is equivalent to negative one!

16

Open Ended

Perform the indicated operation and simplify the expression.

-2+3\left(4i-5\right)+-3i^2

Type response here

17

Open Ended

Create an expression with AT LEAST 4 TERMS that is equivalent to

-3i-12

Type response here

Complex Numbers

Addition & Subtraction

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