SOLUTION: Use the discriminant to determine the number of x-intercepts of the graph of the equation. y = x^2 − 14x + 49 ........... x-intercept(s)

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Question 1076254: Use the discriminant to determine the number of x-intercepts of the graph of the equation.
y = x^2 − 14x + 49
........... x-intercept(s)

Found 2 solutions by josgarithmetic, josmiceli:
Answer by josgarithmetic(39618)   (Show Source): You can put this solution on YOUR website!


--

has discriminant .
Your equation has ; just substitute and evaluate the discriminant.
.
.
.
ONE x-intercept.

Answer by josmiceli(19441)   (Show Source): You can put this solution on YOUR website!
The discriminant is






--------------------------
The is one x-intercept at



and




( 7.0 ) is the x-intercept
-------------------
Here's a plot:

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