Find (-6) (-5) . (-6) (-5) = [?]
1 answer:
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Answer:
(x - 3)² + (y + 5)² = 10
Step-by-step explanation:
The equation of a circle in standard form is
(x - h)² + (y - k)² = r²
where (h, k) are the coordinates of the centre and r is the radius
Here (h, k) = (3, - 5 ) , then
(x - 3)² + (y - (- 5) )² = r² , that is
(x - 3)² + (y + 5)² = r²
r is the distance from the centre to a point on the line
Calculate r using the distance formula
r =
with (x₁, y₁ ) = (3, - 5) and (x₂, y₂ ) = (6, - 4)
r =
=
=
= ⇒ r² = (
)² = 10
(x - 3)² + (y + 5)² = 10 ← equation of circle
- the number of the games he played
- the number of the games he won
- the number of the games he lost
<u>so, he has still 3 games to play</u>