cacevri3lli cacevri3lli

18-05-2016
Mathematics

Answered

Jean needs to graph the function below

y= 7x^2 + 8x - 6

How many time should the graph of this function intersect at the x-axis?

A3
B2
C1
D0

Verified Answer :

18-05-2016

Hello,

Δ=8²-47(-6)=232>0 thus 2 roots
Answer B

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