Question 120074
Use the graph of y=x^2+4x-5 to answer the following.
{{{graph(400,300,-10,10,-10,10,x^2+4x-5)}}}
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Using the graph, what are the solution(s) to the equation x^2+4x-5=0
x=-5, x=1
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Does this function have a maximum or a minimum?
Ans: minimum
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What are the coordinates of the vertex in (x, y) form?
x=-b/2a = -4/2 = -2 ; y = (-2)^2+4*-2-5 = -9
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What is the equation of the line of symmetry for this graph?
x = -2
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Cheers,
Stan H.