'Variation constant' diaporamas de présentation

Chapter 7

Chapter 7. Functions and Graphs. The Algebra of Functions. 7.4. The Sum, Difference, Product, or Quotient of Two Functions Domains and Graphs. The Sum, Difference, Product, or Quotient of Two Functions.

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3.7 Variation and Applications Mon Oct 14

3.7 Variation and Applications Mon Oct 14. Do Now Solve the inequality. HW Review: p.327 #41-57. Direct Variation. If a situation gives rise to a linear function f(x) = kx , or y = kx , where k is a positive constant, we say that y varies directly as x

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Section 3.6

Section 3.6. Variation. Direct Variation. If a situation gives rise to a linear function f ( x ) = kx , or y = kx , where k is a positive constant, we say that we have direct variation , or that y varies directly as x , or that y is directly proportional to x .

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Direct Variation

Direct Variation. y = mx (no b) Lines that go through the origin Y intercept of zero Slope also called constant of variation (variation constant). Examples of Direct Variation y = -2x y = 2x. Checking for Direct Variation Graph --> is it a straight line through the origin?

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2.3 Direct Variation

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Direct Variation

Direct Variation. Objective: to solve for k and set up a direct variation equation. Direct Variation. Constant : A value that does not change Example: 1.6 km per mile Directly proportional : two variables that have a constant ratio. Example: Direct variation : An equation in the form

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