# algebra

College Algebra

Directions: Solve graphically:

x^(2/3)+x^(1/3)-2=0

I just don't know how to approach this?!

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3. 👁 72
1. let x^(1/3) = t

so t^2 + t - 2 = 0
(t+2)(t-1) = 0
t = -2 or t=1

x^(1/3) = -2 or x^(1/3) = 1
x = -8 or x = 1

Don't know how solving this "graphically" can be easier?
Are you supposed to use a graphing calculator?

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posted by Reiny
2. Thats just what the directions say..

But thank you so much, You Rock!!

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posted by Courtney

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