variation

Warming up

Factor Each Expression.
𝟒𝟓(𝒚𝟖+ 𝟑𝟎𝒚𝟓)

𝟗𝒃𝟐− 𝟏

𝟒𝒙𝟐+ 𝟏𝟐𝒙 + 𝟗

Objectives

To be able to recognize and solve

direct, joint, inverse, and combined
variation.

Vocabulary

• Direct variation

• Joint variation.

• Inverse variation

• Combined variation.

CCSS Standards

 A.CED.1, A.CED.2

Direct variation

Example 1:
We do

You do

Joint variation

Example 2:

We do

Inverse Variation

Example 3:
We do

Combined Variation

Example 4:
You do

H.O.T
Choose the correct answer.

You do

Real life application

The Front face of Rixos Marina Abu Dhabi is
rectangle , if the length is

2
3𝑥, and the width of

rectangle is

3
9, what is the area of the rectangle in

simplest form?

Homework

Student book page 463-464 exercises (6,10,12,16,20,34,39)