SOLUTION: Find the roots of each quadratic equation without making a table or a graph. y=x^2+4x-5
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Question 307826
:
Find the roots of each quadratic equation without making a table or a graph.
y=x^2+4x-5
Answer by
scott8148(6628)
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factoring ___ y = (x+5)(x-1)
0 = (x+5)(x-1)
0 = x + 5 ___ -5 = x
0 = x - 1 ___ 1 = x
roots are -5 and 1