Find thw equation of a parabola with vertex (2,-1) opens upward and has focal width of 16​

constants mean the stopped points or the points on a graph that nothing is changing, hope this

step-by-step explanation:

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,

13664

step-by-step explanation:

=cross multiply

=100 x = 13664