If A=x^2 and 2y-3x=12, express A as a function of y.(adsbygoogle = window.adsbygoogle || []).push({});

i got A= 4/9y^2 - 2/3y + 20

is that right?

and

Express the area of an equilateral triangle as a function of its side.

**Physics Forums | Science Articles, Homework Help, Discussion**

Dismiss Notice

Join Physics Forums Today!

The friendliest, high quality science and math community on the planet! Everyone who loves science is here!

The friendliest, high quality science and math community on the planet! Everyone who loves science is here!

# Homework Help: Express the area of an equilateral triangle as a function

**Physics Forums | Science Articles, Homework Help, Discussion**