Number 17-20 16. If y varies jointly as x and z, find y if x= 2 , k=-5 and z = -3В. 1017. If y varies inversely as x and y = 2 when x=- 7, find k.В. -10С. -10D. -30А. 30С-12D.-14A. 1018. What is the simplified answer of - 4 ?А. 819. The heat (H) inFind k when H= 9 and I= 3.С.6D. -8В.- 6copper wire varies directly as the square of the electric wire (I).А. 3В. 1С. -1D. -320. What is the equivalent of (2 x²y')½ in radical form?С.А.B.D.

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College Algebra

1st Edition

ISBN:9781938168383

Author:Jay Abramson

Publisher:Jay Abramson

Chapter5: Polynomial And Rational Functions

Section: Chapter Questions

Problem 27PT: Find the unknown value. 27. y varies jointly with x and the cube root of 2. If when x=2 and...

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If y varies inversely as x and y =2 when x =- 7, find k. Α. 10 В. -10 С.-12 D.-14