4 Slides • 4 Questions

Proportions

2

Proportions

a proportion is an equation that involves two ratios
to solve a proportion you must cross multiply.

3

Example

https://talkandcomment.com/p/2b948182298339db7ac0a6a8 (voice note)

4

Multiple Choice

Find the solution.

\frac{12}{x}=\frac{6}{20}

1

40

2

20

3

10

4

6

5

Example

https://talkandcomment.com/p/56d3c0519b0b9282d1e1af2b (voice note)

6

Multiple Choice

$\frac{x+4}{5}=\frac{6}{10}$

1

10

2

1

3

-1

4

-10

7

Multiple Choice

$\frac{8}{x-1}=\frac{1}{2}$

1

2

8

3

15

4

17

8

Poll

How do you feel about solving proportions?

Great, I would make a 100 on a quiz

Good, I would pass a quiz

Ok. I could use more practice

Not good YET, I need more practice

Proportions

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