Download 5-5 Direct Variation Objectives 1. TSW solve problems using Direct

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5-5 Direct Variation
Objectives
1. TSW solve problems using Direct Variation
2. TSW identify the constant, k
Vocabulary
1. Direct Variation – a function in the form y = kx , k ≠ 0
2. Constant of Variation – k (coefficient of x)
Which of the following are direct variations? Identify k.
1. 5x + 2y = 0
2. 5x – 2y = 8
3. 7x = 2y
4. 3y – 4x = 8
5. Y – 7.3x = 0
6. 6y = 3x
Writing an equation of direct variation given a point
7. (-5, 8)
8. (-6, 3)
9. (4, 12)
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