SOLUTION: Suppose that the x intercepts of the graph of y=(x) are -8 and 1. What are the x intercepts of the graph of y=(x+4)? Explain step by step line by line.

Question 1139683: Suppose that the x intercepts of the graph of y=(x) are -8 and 1. What are the x intercepts of the graph of y=(x+4)? Explain step by step line by line.
Answer by MathLover1(20850) (Show Source): You can put this solution on YOUR website!

Suppose that the x intercepts of the graph of are and . What are the x intercepts of the graph of ?

notice that the coordinate is always for the intercept and the coordinate is always for the intercept.
That is, the intercept is the point (,).
if the graph of are and , the points are (,) and (,)

and, the intercepts of the graph of will be where and

and

so, the intercepts of the graph of are and

or at the points (,) and (,)

or do it this way:, using zero product theorem
factors of the function are:

...x - intercepts of this function are and
multiply to expand

now find

=
=..........factor completely
=
=
=
=
so, the - intercepts of the graph are and

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