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vovangra [49]
3 years ago
13

How many times does the graph of the function below intersect or touch the x-axis? y=-3x^2+x+4 ...?

Mathematics
2 answers:
Artist 52 [7]3 years ago
8 0
<span>when the graph touches x axis at that point y = 0

</span><span> So, putting y =0
  0 = -3x^2 + x +4
</span>so, if you factoriazte it

<span>−3<span>x^2</span>++4x−3x+4=0

</span> <span>−3x(x+1)+4(x+1)=0

</span> <span>(x+1)+(−3x+4)=0

</span> <span><span>x=−1,<span>4/3

So, two time at -1 and 4/3 it touches the x-axid</span></span></span>
Nana76 [90]3 years ago
6 0

Answer:

The answer is 2 times.


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