Question

What is the vertex of the parabola x = 5(y – 4)2 – 1 ?

Answer 1

solve for y. and then put it into a grapghing calculator. im sure that will help

Answer 2

y=4 implies that x =-1

Answer 3

(-1,4) is the vertex

Answer 4

There is a vertex formula.
Use the quadratic equation
\[-b \pm \sqrt{b^2-4(a) (c)\ }{ ? }\]

Answer 5

all over 2a. FOrget the ? mark.

Answer 6

To find the vertex, use \[\frac{ -b }{ 2a } and plug \in\]