conic sections

Question 1

x and y squared , same coefficient / sign

Answer 1

Circle

Question 2

only one variable is squared

Answer 2

Parabola

Question 3

x and y squared , BOTH POSITIVE

Answer 3

Ellipse

Question 4

x and y squared , 1 POSITIVE 1 NEGATIVE

Answer 4

Hyperbola

Question 5

Equation of Circle

Answer 5

(x-h)² + (y-k)² = r²

Question 6

Horizontal Parabola

Answer 6

(x-h)² = 4p (y-k)

Question 7

Vertical Parabola

Answer 7

4p (x-h) = (y-k)²

Question 8

Latus rectum

Answer 8

4p , 2p each from focus

Question 9

PARABOLA:

4p is at (y-k) ; p > 0

Answer 9

UP

Question 10

PARABOLA:

4p is at (y-k) ; p < 0

Answer 10

DOWN

Question 11

PARABOLA:

4p is at (x-h) ; p > 0

Answer 11

RIGHT

Question 12

PARABOLA:

4p is at (x-h) ; p < 0

Answer 12

LEFT

Question 13

Horizontal Ellipse

Answer 13

(x-h)² / a² + (y-k)² / b² = 1

Question 14

Vertical Ellipse

Answer 14

(x-h)² / b² + (y-k)² / a² = 1

Question 15

Ellipse (a)

Answer 15

Center to Vertex

Question 16

Ellipse (b)

Answer 16

Center to Minor Axis

Question 17

Ellipse (c)

Answer 17

Center to Focus

Question 18

Ellipse :

Bigger denominator at x

Answer 18

Horizontal

Question 19

Ellipse :

Bigger denominator at y

Answer 19

Vertical

Question 20

Horizontal Hyperbola

Answer 20

(x-h)² / a² - (y-k)² / b² = 1

Question 21

Vertical Hyperbola

Answer 21

(y-k)² / a² + (x-h)² / b² = 1

Question 22

Hyperbola :

Positive is at x

Answer 22

Horizontal

Question 23

Hyperbola :

Positive is at y

Answer 23

Vertical