AnswersPrecalculusThe General Equation of Conic Sections

The General Equation of Conic Sections Answers

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Write the equation y2 + 6y – 12x – 39 = 0 in standard form.

A
(y + 9)2 = 12(x + 4)
B
(y + 3)2 = 12(x + 4)
C
(y + 3)2 = 12x + 39
D
(y + 9)2 = 12x + 39
3

Convert the equation into standard form.25x2 – 9y2 + 200x + 18y + 166 = 0

A
StartFraction (x minus 8) squared Over 9 EndFraction minus StartFraction (y + 2) squared Over 25 EndFraction = 1
Option A
B
Option
Option B
C
Option
Option C
D
Option
Option D
4

Which graph represents 3x2 + 3y2 – 48x + 60y + 384 = 0?

A
On a coordinate plane, a circle has center (8, negative 10) and radius 6.
Option A
B
On a coordinate plane, a circle has center (negative 8, 10) and radius 6.
Option B
C
On a coordinate plane, a circle has center (negative 8, 10) and radius 11.
Option C
D
On a coordinate plane, a circle has center (8, negative 10) and radius 11.
Option D
5

Which graph represents 49x2 + 4y2 + 196x – 40y + 100 = 0?

A
On a coordinate plane, one part of a conic graph goes through (negative 1, 1), has a vertex at (0, negative 5), and goes through (negative 1, negative 12). The second part goes through (5, 1), has a vertex at (4, negative 6), and goes through (5, negative 12).
Option A
B
On a coordinate plane, one part of a conic graph goes through (negative 5, 12), has a vertex at (negative 4, 5), and goes through (negative 5, negative 2). The second part goes through (1, 12), has a vertex at (0, 5), and goes through (1, negative 2).
Option B
C
On a coordinate plane, an Ellipse has center (2, negative 5) and goes through (4, negative 5), (2, negative 12), (0, negative 5), and (2, 2).
Option C
D
Option
Option D
7

What is the standard form of the following equation?4x2 + 9y2 + 24x – 36y + 36 = 0

A
StartFraction (x + 3) squared Over 9 EndFraction + StartFraction (y minus 2) squared Over 4 EndFraction = 1
Option A
B
StartFraction (x + 3) squared Over 9 EndFraction + StartFraction (y minus 2) squared Over 4 EndFraction = 0
Option B
C
StartFraction (x + 3) squared Over 4 EndFraction + StartFraction (y minus 2) squared Over 9 EndFraction = 1
Option C
D
StartFraction (x + 3) squared Over 4 EndFraction + StartFraction (y minus 2) squared Over 9 EndFraction = 0
Option D
9

Which graph represents 25x2 – 4y2 – 72y – 424 = 0?

A
On a coordinate plane, an Ellipse has center (0, negative 9) and goes through (0, negative 4), (2, negative 9), (0, negative 14), (negative 2, negative 9).
Option A
B
On a coordinate plane, an Ellipse has center (0, negative 9) and goes through (0, negative 7), (5, negative 9), (0, negative 11), and (negative 5, negative 9).
Option B
C
Option
Option C
D
On a coordinate plane, one part of a conic graph goes through (negative 7, negative 7), has a vertex at (negative 5, negative 9), and goes through (negative 7, negative 12). The second part goes through (7, negative 7), has a vertex at (5, negative 9), and goes through (7, negative 12).
Option D

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