227k views
3 votes
Which of the following equations is of a parabola with a vertex at (1, -2)?

O y = (x - 1)2 - 2
O y = (x - 1)2 + 2
O y = (x + 1)2 - 2
O y = (x + 1)2 - 2

User Asad
by
7.8k points

1 Answer

0 votes

Answer:

y = (x-1)^2 - 2

Explanation:

The parabola vertex point is always (h, k) in y = (x-h)^2 + k

All you have to do is look at h and k to find your vertex. Since in y = (x-1)^2 -2 has an h of -1 (Which makes it positive 1 when you plug it in) and a k of -2, that means that is your answer.

User Novy
by
7.8k points

No related questions found

Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

9.4m questions

12.2m answers

Categories