FLUENCY 1. In each of the following, the variable pair given are proportional to one another. Find the missing value. (a) b = 8 when a = 16 (b) y =10 when x = 14 (c) w =-2 when u = 6 b =? when a =18 y =? when x = 21 w = ? when u = -15 2. In the following exercises, the two variables given vary directly with one another. Solve for the missing value. (a) p=12 when q = 8 (b) y =21 when x = 9 (c) z = -5 when w = 2 p =? when q = 6 y = ? when r =-6 z =? when w = 8 3. If x and y vary directly and y = 16 when x = 12, then which of the following equations correctly represents the relationship between x and y? 3 (1) y=-x 4 (3) xy = 192 (2) y+x = 28 (4) y=-x

FLUENCY 1. In each of the following, the variable pair given are proportional to one another. Find the missing value. (a) b = 8 when a = 16 (b) y =10 when x = 14 (c) w =-2 when u = 6 b =? when a =18 y =? when x = 21 w = ? when u = -15 2. In the following exercises, the two variables given vary directly with one another. Solve for the missing value. (a) p=12 when q = 8 (b) y =21 when x = 9 (c) z = -5 when w = 2 p =? when q = 6 y = ? when r =-6 z =? when w = 8 3. If x and y vary directly and y = 16 when x = 12, then which of the following equations correctly represents the relationship between x and y? 3 (1) y=-x 4 (3) xy = 192 (2) y+x = 28 (4) y=-x

Intermediate Algebra

19th Edition

ISBN:9780998625720

Author:Lynn Marecek

Publisher:Lynn Marecek

Chapter7: Rational Expressions And Functions

Section7.5: Solve Applications With Rational Equations

Problem 334E: In the following exercises, write an inverse variation equation to solve the following problems....

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