OpenStax, Algebra and Trigonometry 2e §5.8 Modeling Using Variation · Exercise 42 · Algebra · Polynomials

Modeling Using Variation · Exercise 42

Use the given information to find the unknown value.

$y$ varies jointly as $x$ and the square of $z .$ When $x = 2$ and $z = 4,$ then $y = 144.$ Find $y$ when $x = 4$ and $z = 5.$

Its source prints no answer for this problem, so there's nothing to check against.

~8 minWritten answer · compare with the solution

OpenStax, Algebra and Trigonometry 2e · §5.8 Modeling Using Variation · Exercise 42

Stuck? A gentle nudge

No hints for this one.

Something off?

Workspace

Your working

Check your full solution

Upload photos of your handwritten work or a PDF, and Lemma will read it and tell you whether it's right — and where it first goes wrong if not.