Question

What is the equation of the following graph?
I am going to put the anwser choices as a comment and draw the graph.

Answer 1

First find the centre.

Answer 2

im sorry i put the wrong question sorry hang on

Answer 3

Which of the following is the sketch of x2/9 – y2/4 = 1.

Answer 4

well the minus sign tells you hyperbola, so you can eliminate the ellipses

Answer 5

i am not understanding

Answer 6

Hyperbolas have a minus sign, like that, in the equation

Answer 7

so I can eliminate c and d

Answer 8

yes

Answer 9

x2/9 – y2/4

x^2 coming first tells you it's a sideways hyperbola, not vertical

Answer 10

so its a

Answer 11

one more question how do you find the center of two hyperbolas?

Answer 12

find the point halfway between them

Answer 13

i meant the vertices not center

Answer 14

well... they're at the bottom points of the curve. Where it turns around.

Answer 15

thanks i get it know