1.

state mean whether the values given extend the quadratic equation are the roots of the equation or not x2 +4x-5= x=1,x=-1​

Answer»

Answer:

1 is a root of the given POLYNOMIAL while 1 is a root of the given polynomial

Step-by-step EXPLANATION:

Substituting x=1,

=1^{2}+4(1)-5

=1+4-5

=5-5

=0

1 is a root of the given polynomial

Substituting x=-1,

=-1^{2}+4(-1)-5

=1-4-5

=1-9

=-8

1 is a root of the given polynomial

Hope it helps...


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