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## Algebra (all content)

### Course: Algebra (all content)>Unit 17

Lesson 9: Foci of a hyperbola

# Equation of a hyperbola from features

You might need: Calculator

## Problem

A hyperbola centered at the origin has vertices at left parenthesis, plus minus, square root of, 7, end square root, comma, 0, right parenthesis and foci at left parenthesis, plus minus, square root of, 27, end square root, comma, 0, right parenthesis.
Write the equation of this hyperbola.
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