Question

Write the equation in standard form for the circle x² + y² + 14x - 15 = 0.

Answer 1

(x + 7)² + y² = 64

Explanation:

x² + y² + 14x - 15 = 0 -->

(x+7)² - 49 + y² - 15 = 0 -->

(x + 7)² + y² - 64 = 0 -->

(x + 7)² + y² = 64