Answer:
D
Step-by-step explanation:
From any point (x, y) on the parabola the focus and directrix are equidistant
Using the distance formula
= | y + 1 |
Squaring both sides
(x + 5)² + (y - 5)² = (y + 1)^2 , that is
(y + 1)² = (x + 5)² + (y - 5)² ← subtract (y - 5)² from both sides
(y + 1)² - (y - 5)² = (x + 5)² ← expand left side and simplify
y² + 2y + 1 - y² + 10y - 25 = (x + 5)²
12y - 24 = (x + 5)² ← factor left side
12(y - 2) = (x + 5)² ← divide both sides by 12
y - 2 =
(x + 5)² ← add 2 to both sides
y =
(x + 5)² + 2
or
f(x) =
(x + 5)² + 2 → D
Answer:
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Step-by-step explanation:
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Answer:
Step-by-step explanation:
$1 times 5 equals $5
$30-$5= $25
$25 divide by each 5 friends equals $5. So your answer is $5
= -<span>9x-12=35-x
Put like terms together:
= -9x + x = 35 + 12
= -8x = 47
= x = -47/8
= x = -5.875
In short, Your Answer would be: -5.875
Hope this helps!</span>