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Question : Find if the coordinates given lie on the circles below: (a) Does (4,2) lie on the circle with equation
(x - 1)^2 + (y + 2)^2 = 25.
EXPLAIN STEP BY STEP​


Sagot :

Answer:

point lies on circle

Step-by-step explanation:

Substitute the coordinates of the point into the left side of the equation and if equal to the right side then point lies on circle.

(4 - 1)² + (2 + 2)² = 3² + 4² = 9 + 16 = 25 = right side

Then point (4, 2 ) lies on the circle