4=x^2 -5x-1 HOW MANY X INTERCEPTS ARE THERE ?
1 answer:
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Answer:
y = 5
Step-by-step explanation:
Calculate the slope m using the slope formula
m =
with (x₁, y₁ ) = (7, 5) and (x₂, y₂ ) = (- 9, 5)
m = =
= 0
This means the line is horizontal and parallel to the x- axis with equation
y = c
where c is the value of the y- coordinates the line passes through.
The line passes through (7, 5) and (- 9, 5) with y- coordinates 5, thus
y = 5 ← equation of line
