hello
the question here is
step 1
multiply through the bracket by the coeffiecient
A quadratic rule for a particular parabola is of the form y = ax^2 + bx. The parabola passes through with the coordinates (-1, 4
1 answer:
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This is a vertical line. Vertical lines are composed by points who share the same x coordinate.
That's why the equation of the line is exactly , where k is the shared x coordinate.
In your case, the common x coordinate is 3, so the line is
