Real roots of absolute function

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RichaS

Feb 24, 2017; 2:38pm

Please help.

shiva

Feb 24, 2017; 3:36pm

Re: Real roots of absolute function

answer is four,

x>0, x^2-5x+4 = 0, roots are 1 & 4

x<0, x^2+5x+4=0, roots are -1 &-4

Nikkita

Feb 25, 2017; 8:09am

In reply to this post by RichaS

Solving x^2-5x+ 4= 0, we get x=1,4

ans.= 4 roots ( can check by putting x= 1,4,-1,-4 in equation)