Y=-x^2+4x-5 find the vertex
1 answer:
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Given :
P(-9, -4), Q(-7, -1), R(-2, 5), S(-6, -1).
To Find :
The slope of line PQ.
Solution :
We know , slope is given by :
Therefore, the slope of line PQ is 2/3.
Hence, this is the required solution.