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Formulas, Applications, and Variation

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Across
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Identify the type of variation: Y varies jointly as x and z.
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True or False: For inverse variation you are subtracting the variables.
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With an inverse variation, pairs of numbers have a constant _____
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1/p+1/q=1/f, solve for p. P= qf/p_f. What is the sign between p and f? (Hint: times, plus, minus, etc.)
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"G varies _____ as A and T," G= KAT.
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Identify the type of variation: Y varies directly as x.
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First, you must determine the type of _______.
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SOLVE: Y varies inversely as x. Y= 1/2 X= 10. What does K equal? (Hint: spell out the number in words.)
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Identify the type of variation: Y varies inversely as x.
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"J varies _____ as C," ; J= KC
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Lastly, use the remaining information to predict the ______.
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SOLVE: P varies directly as O. P= 10, O=5. What does K equal? (Hint: Write answer in word form.)
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Y=k/x ; Y varies ____ as x
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"L varies directly as O," ; L= k __ O (Hint: Word form will be used to substitute for divison and multiplication signs. ex: ab = a "times" b; c/d = c "over" d.)
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SOLVE: At an ultraviolet rating of 6, those people who are less sensitive to the sun will burn in 45 minutes. Given that number of minutes it takes to burn, t varies inversely with the UV rating, U, how many minutes will it take less sensitive people to burn when the UV rating is 3? (Hint: Answer in word form.)
Down
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"S varies inversely with M," ; S= k ____ M (Hint: Word form will be used to substitute for divison and multiplication signs. ex: ab = a "times" b; c/d = c "over" d.)
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The number of workers n to clean a stadium after a game varies inversely as the amount of time t allowed for the clean up. If it takes 25 workers to clean the stadium when 6 hours is allowed for the job, how many workers are needed if the stadium must be cleaned in 5 hours?
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SOLVE: Y varies jointly as x and the square of z and inversely as w. Y=12, X=5, Z=3, W=15. What does K equal? (Hint: spell out the number in words.)
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To clear fractions, multiply both sides of the equation by the ___ of the denominators.
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K is the _____ variable used
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Second, use the given information to determine the ____ of k.
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SOLVE: T varies inversely with U. T= K over U; U= 4, T= 5. Find K. (Hint: Write number in word form.)
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Y= kxz ; Y varies ______ as x and z
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True or False: For direct and joint variation you are multiplying the variables.
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You must use representative _____.
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SOLVE: The electric current E, in amperes, varies directly as the voltage V. When 15 volts are applied, the current is 5 amperes. What is the current when 18 volts are applied? (Hint: Answer in word form.)
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D varies inversely as A; D= 1/2, A= 10. D= K over A. K=5. What does D equal? D= __ over A. (Hint: Write answer in word form.)
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Third, plug the value of the variation constant k back into the _______ from step 1.
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Y=kx ; Y varies ____ as x
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Y varies directly as F and inversely as R. Y= 2, F= 4, R= 6. What does K equal? (Hint: Answer in word form.)