What is the the vertex of $y = 7x^2 - 28x - 60$ ?

Question

2313 views around the world

You can reuse this answer
Creative Commons License

Answer 1 · 2015-12-06T05:47:47

Vertex is $-14$

Given -

$y=7x^2-28x-60$

it is in the form $ax^2+bx+c$
In such case the vertex is $(-b)/2a$

Apply this to the given equation -

Vertex $=(-28)/2 xx 7=-2$

What is the the vertex of y = 7x^2 - 28x - 60y = 7x^2 - 28x - 60?