(x - xc)² + (y - yc)² = r²
Where xc and yc are center coordinates
(x - (-4))² + (y - 3)² = 2²
x² + 2.x.4 + 4² + y² - 2.y.3 + 3² = 4
x² + 8x + 16 + y² - 6y + 9 = 4
x² + y² + 8x - 6y + 25 - 4 = 0
x² + y² + 8x - 6y + 21 = 0
C -- -2 + 7=8 what is c in this equation
1 answer:
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Answer:
Step-by-step explanation:
Given
Required
Determine the x intercepts
To get the x intercepts, we simply set y to 0
Substitute 0 for y;
Factorize:
Apply zero product property