SOLUTION: zeros of a function: find the zeros (i.e. x-intercepts) of the following functions: 1) f(x)=-48x^2+3x^4 2) f(x)=-4x^3-15x^2+18x

Question 35189: zeros of a function:
find the zeros (i.e. x-intercepts) of the following functions:
1) f(x)=-48x^2+3x^4
2) f(x)=-4x^3-15x^2+18x
Answer by venugopalramana(3286) (Show Source): You can put this solution on YOUR website!
find the zeros (i.e. x-intercepts) of the following functions:
1) f(x)=-48x^2+3x^4
3X^2(X^2-16)=0
X^2=0...THAT IS X=0...OR
X^2-16=0...THAT IS X^2=16...THAT IS X=4 OR -4
2) f(x)=-4x^3-15x^2+18x
X(-4X^2-15X+18)=0
X=0...OR
4X^2+15X-18=0....USE QUADRATIC FORMULA`TO GET THE ROOTS

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