Warm – up #7 1. Convert 50 pounds per second to tons per hour. 2. If a car can travel 80 miles on 3.5 gallons of gas, how far can it travel on 10 gallons.

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Warm – up #7 1. Convert 50 pounds per second to tons per hour. 2. If a car can travel 80 miles on 3.5 gallons of gas, how far can it travel on 10 gallons of gas?

Warm – up #7 Solutions = 90 tons/hr

Warm – up #7 Solutions 3.5x = 80(10) 3.5x = miles

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12/4/15 Lesson 4 – 7 Variation Day 3 Advanced Math/Trig

Learning Objective To understand & apply direct variation To understand & apply inverse variation To understand & apply joint variation To understand & apply combined variation

Direct Variation

Inverse Variation

Joint Variation

Combined Variation

Variations

Variations

Variations

Variations

Variations

Variations

Ticket Out the Door Suppose the total cost C of producing x units of a certain product varies directly as the square of x. Find the cost of producing 80 units of the product if 15 units cost $450 to produce

Homework #409 Pg. 262 #21 – 28, 30, 32, 34