9 Slides • 5 Questions

Simplifying negative radicands

by Karine Ptak

2

Let's do it again...

3

Yesterday, you solved quadratic equations in vertex form or in standard form with b=0

4

Open Ended

For which x-values does the previous equation hold true?

Type response here

5

We need the help of a new type of number

6

Here's how it works...

7

Here's how it works...

8

Fill in the Blanks

Type answer...

9

Multiple Choice

$\sqrt[]{-28}$

1

$i\sqrt[]{28}$

2

$-2\sqrt[]{7}$

3

$2i\sqrt[]{7}$

4

$4i\sqrt[]{7}$

10

You will encounter these imaginary units while solving equations such as...

11

Let's solve one as an example...

12

Multiple Choice

Time to put things together!

What are the solutions to $x^2+16=0$

1

$-4$

2

$4$

3

$\pm4$

4

$\pm4i$

13

Multiple Choice

Time to put things together!

What are the solutions to $\left(x+3\right)^2+16=0$

1

$-7$

2

$1$

3

$-3\pm4$

4

$-3\pm4i$

14

Need another example?

Check out the videos on the right for additional instructions. Or, come see me!

Your practice is on ALEKS: Simplify negative radicands.

Simplifying negative radicands

by Karine Ptak

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Simplifying negative radicands

Simplifying negative radicands

​Let's do it again...

​Yesterday, you solved quadratic equations in vertex form or in standard form with b=0

​We need the help of a new type of number

​Here's how it works...

​Here's how it works...

​You will encounter these imaginary units while solving equations such as...

​Let's solve one as an example...

​Need another example?

Simplifying negative radicands

Similar Resources on Wayground

Popular Resources on Wayground

Discover more resources for Mathematics

Let's do it again...

Yesterday, you solved quadratic equations in vertex form or in standard form with b=0

We need the help of a new type of number

Here's how it works...

Here's how it works...

You will encounter these imaginary units while solving equations such as...

Let's solve one as an example...

Need another example?