'Direct variation' presentation slideshows

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Direct Variation

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Direct Variation

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Direct Variation

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Direct

Direct. and. Inverse. VARIATION. The general equation for DIRECT VARIATION is. k is called the constant of variation. We will do an example together. If y varies directly as x, and y=24 and x=3 find: (a) the constant of variation (b) Find y when x=2.

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Direct and Inverse Variations

Direct and Inverse Variations. section 9-2. Direct Variation. when we talk about a direct variation, we are talking about a relationship where as x increases, y increases or decreases at a CONSTANT RATE. Direct Variation. the gist of direct variation is the following formula:.

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Direct Variation

Direct Variation. Constant of Proportionality. Warm Up. Brainstorm: List anything you notice about the table of data. Vocabulary. Constant of Proportionality - a constant ratio (unit rate) in any proportional relationship. Also known as: Looks like:.

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Direct Proportion

S4. Direct Proportion. Direct Proportion. Direct Variation. www.mathsrevision.com. Harder Direct Variation (extension). S4. 9. Starter Questions. 8. 6. www.mathsrevision.com. Direct Proportion. Direct Proportion. S4. Learning Intention. Success Criteria.

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Unit 7: Direct Proportion

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Direct Variation

Direct Variation. What is it and how do I know when I see it?. Definition: Y varies directly as x means that y = kx where k is the constant of variation. (see any similarities to y = mx + b?) Another way of writing this is k = . In other words:

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Math Pacing

Slope and Direct Variation. Math Pacing. Slope and Direct Variation. A direct variation is described by an equation of the form y = kx , where k ? 0 We say that y varies directly with x or y varies directly as x . In the equation, y = kx , k is the constant of variation.

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5-Minute Check 1

A B C D. Find the rate of change for the linear function represented in the graph. A ski lift goes from the base of a mountain to a point near the top of the mountain. After 3 minutes, the lift had traveled 200 feet. After 6 minutes it had traveled 400 feet. Find the rate of change.

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How does it work?

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Direct and Inverse Variations

Direct and Inverse Variations. When we talk about a direct variation, we are talking about a relationship where as x increases, y increases or decreases at a CONSTANT RATE . Direct Variation. Direct Variation. Direct variation uses the following formula:. example:

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Solving Problems Using Direct and Inverse Variation

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1.6 Applications of Linear functions

1.6 Applications of Linear functions. quiz. Fill in the blank below: A number y varies directly with x if there exists a nonzero number k such that y=____. Solving application problems. Read the problem Gather information, make a sketch, write what the variable will represent.

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Day _____ Solve each proportion. 1. 2.

Day _____ Solve each proportion. 1. 2. 3. 4. 5. 6. 5.5-5.6 Direct and Inverse Variation.

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9.1 Inverse & Joint Variation

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Inverse Variation 1) In an inverse variation , the values of the two x and y change in an opposite manner - as one val

Inverse Variation 1) In an inverse variation , the values of the two x and y change in an opposite manner - as one value increases, the other decreases. 2). The more games you play (x), the less errors you make (Y). X variable increases while y value decreases.

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