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Formulas, Applications, and Variation

Across
Identify the type of variation: Y varies jointly as x and z.
True or False: For inverse variation you are subtracting the variables.
With an inverse variation, pairs of numbers have a constant _____
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.)
"G varies _____ as A and T," G= KAT.
Identify the type of variation: Y varies directly as x.
First, you must determine the type of _______.
SOLVE: Y varies inversely as x. Y= 1/2 X= 10. What does K equal? (Hint: spell out the number in words.)
Identify the type of variation: Y varies inversely as x.
"J varies _____ as C," ; J= KC
Lastly, use the remaining information to predict the ______.
SOLVE: P varies directly as O. P= 10, O=5. What does K equal? (Hint: Write answer in word form.)
Y=k/x ; Y varies ____ as x
"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.)
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
"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.)
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?
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.)
To clear fractions, multiply both sides of the equation by the ___ of the denominators.
K is the _____ variable used
Second, use the given information to determine the ____ of k.
SOLVE: T varies inversely with U. T= K over U; U= 4, T= 5. Find K. (Hint: Write number in word form.)
Y= kxz ; Y varies ______ as x and z
True or False: For direct and joint variation you are multiplying the variables.
You must use representative _____.
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.)
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.)
Third, plug the value of the variation constant k back into the _______ from step 1.
Y=kx ; Y varies ____ as x
Y varies directly as F and inversely as R. Y= 2, F= 4, R= 6. What does K equal? (Hint: Answer in word form.)