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? A. 3 B. 2 C. 1 D. 0

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asked Oct 17, 2017 218k views

4 votes

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?

A. 3
B. 2
C. 1
D. 0

Mathematics
high-school

Gartox asked

by Gartox

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1 Answer

4 votes

Hello,

Δ=8²-4*7*(-6)=232>0 thus 2 roots
Answer B

Antony Koch answered Oct 22, 2017

by Antony Koch

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