Back to 5.8 Modeling Using Variation

5.8 Exercise 54

Avg difficulty 2.5

Use the given information to find the unknown value.

$y$ varies jointly as the square of $x$ and the cube of $z$ and inversely as the square root of $w .\textrm{ }$ When $x = 2 ,$ $z = 2 ,$ and $w = 64 ,$ then $y = 12.$ Find $y$ when $x = 1 ,$ $z = 3 ,$ and $w = 4.$

OpenStax Algebra and Trigonometry 2e, 5.8 Modeling Using Variation, exercise 54

AI Tutor

Adapted from College Algebra © 2021 Rice University. Licensed under CC BY 4.0. Sources: College Algebra 2e, Algebra and Trigonometry 2e, Precalculus 2e, College Algebra with Corequisite Support 2e. Imported at revision 4922e46.