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[DOCX File]F– Direct and Inverse Variation Test Review
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Direct Variation: y = 3xInverse Variation: y = -12/xNeither. For #9 & #10, set up an direct or inverse variation equation. Find the constant of variation. Write the equation. Find the new point. The distance traveled in a given time on Interstate 66 varies directly with the speed. Last week we traveled 220 miles at 55 miles per hour. How many ...
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DIRECT AND INVERSE VARIATION WORKSHEET
DIRECT AND INVERSE VARIATION WORKSHEET and QUIZ review. Show your work on the back or on a separate sheet of paper. NAME: _____KEY_____ DATE: _____ Find the constant and slope for the following direct variation equations. Then graph.. Constant&slope = -1/2 2. Constant&slope = 4 . Identify which situations in numbers 3-10 below can be modeled by direct variation, inverse variation or neither ...
inverse vs direct variation

[DOC File]Unit 7: Direct and Inverse Variation
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Identify what direct and inverse variation are. Find the constant (k) in direct and inverse variation. Determine the missing value, x or y given constant and the other value. Write an equation from a table of values or a point in direct variation. Part One: Direct Variation. In simplest terms, direct variation is identical to slope-intercept form, except the y-intercept (b) is always zero, and ...
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[DOC File]Guided Notes on Direct and Inverse Variation
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I. Direct Variation: y varies directly as x or y is directly proportional to x (y = kx) where k is the constant of proportionality or constant of variation. As x gets larger, y gets larger or as x gets smaller, y gets smaller. A line with a y-intercept of 0 is a direct variation. Data that represents direct variation:
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[DOCX File]Direct and Inverse Variation Worksheet
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t and Inverse . Variation - Section 2.4. 1. What does it mean for two items to vary directly with each other? 2. Can you think of any day-to-day relationships that could be described as a direct variation? 3. What does it mean for two items to vary inversely with each other? 4. Can you think of any day-to-day relationships that could be described as an inverse variation? 5. Classify the ...
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[DOC File]Direct and Inverse Variation Worksheet
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1. Classify the following as a Direct Variation or an Inverse Variation, A) B) C) D) 2. For the Variations examples in #1, identify. the constant of proportionality.
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[DOC File]Variation and Problem Solving – Section 8
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Variation that involves combinations of direct, inverse, and joint variation. Joint Variation: If the ratio of a variable y to the product of two or more variables in constant, then . y varies jointly as, or . is jointly proportional to, the other variables. If. Then the number k is the constant variation. Inverse Variation: _____ varies _____ as _____, or . y is inversely proportional to x ...
direct and inverse variation problems

DIRECT AND INVERSE VARIATION WORKSHEET
Find the constant and slope for the following direct variation equations. Then graph.. Constant&slope = -1/2 2. Constant&slope = 4. Identify which situations in numbers 3-10 below can be modeled by direct variation, inverse variation or neither; write the equation for the first six. Fred earns $6.50 per hour. Direct. y=6.5x. Edwina earns $450 plus 7.5% commission on sales Neither. y=450+.075x ...
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[DOC File]Direct and Inverse Variation Worksheet
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Tougher Direct/Inverse Variation Examples. 9. Write a general variation formula for the following: A) V varies directly with the square root of t. B) F varies inversely with the sum of x and y. C) The variable y varies directly with x and inversely with the square of z. 10. Find the constant of proportionality for each situation below: A) F varies inversely with the cubed root of D. F = 5 and ...
indirect and direct variation

[DOC File]Direct, Inverse, and Joint Variations
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You use the same steps as direct and inverse variation to write an equation and solve for z given new values of x and y. You try. z varies jointly with x and y. z = 24 when x = 2 and y = 3. Write an equation that relates x, y, and z. Find z when x = 5 and y = ½ . Combining different variations. Write an equation for the given relationship. y varies directly with the square of x. z varies ...
inverse vs direct variation

Direct variation or inverse variation