If the graph of the following parabola is shifted one unit left and two units up, what is the resulting equation in vertex form?
x² = 127

answer

d. 10

explanation

the distance from point y to wx is the height of the triangle.

using pythagoras theorem,

group similar terms to get,

this implies that,

take positive square root of both sides to get,

this implies that,

other answer is correct. i had used the radius of the radius somehow. a website: