FINALS

Question 1

Circle equation

Answer 1

(x-h)^2 + (y-k)^2 =r^2

Question 2

Ellipse horizontal

Answer 2

(x-h) + (y-k) =1
_____ _____
a b

(ELLIPSE: a & b flip)

o in horizontal is like an a

Question 3

Ellipse vertical

Answer 3

(x-h) + (y-k) =1
_____ _____
b a

Question 4

Hyperbola horizontal

Answer 4

(x-h) - (y-k) =1
_____ _____
a b

(HYPERBOLA: a & b stay the same —x and y switch)

x first in Horizontal

MINUS SIGN

Question 5

Hyperbola vertical

Answer 5

(y-k) - (x-h) =1
_____ _____
a b

HYPERBOLA vertical:

y is 1st like V

Question 6

Parabola vertical

Answer 6

(x-h)^2 = 4p(y-k)

VERTICAL: x first

Question 7

Parabola horizontal

Answer 7

(y-k)^2 = 4p(x-h)

Horizontal: y first