Write an equation in standard form for the circle shown
Asked by maham237 @ in Mathematics viewed by 310 People
A) (x + 3)2 + (y – 1)2 = 7
B) (x - 3)2 + (y + 1)2 = 7
C) (x + 3)2 + (y – 1)2 = 49
D) (x - 3)2 + (y + 1)2 = 49
Answered by maham237 @
Radius = 7
center = (-3, 1)
Equation for a circle is: r² = (x-h)² + (y-k)²
where r = radius, (h,k) = center
fill in the values to get:
7² = (x+3)² + (y-1)²
Answer is C
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