How many of the following statements are correct? (a) The focus of x2=

1.	How many of the following statements are correct? (a) The focus of x2=4ay is (0, a) (b) The directrix of y2=−4ax is x + a = 0 (c) The end points of latus rectum of x2=−4ay is (a, 2a) and (a, -2a) (d) The parabolas x2=4ay and y2=4ax are equal. __
Answer» How many of the following statements are correct? (a) The focus of $x^{2} = 4 a y$ is (0, a) (b) The directrix of $y^{2} = - 4 a x$ is x + a = 0 (c) The end points of latus rectum of $x^{2} = - 4 a y$ is (a, 2a) and (a, -2a) (d) The parabolas $x^{2} = 4 a y$ and $y^{2} = 4 a x$ are equal. __

How many of the following statements are correct? (a) The focus of x2=4ay is (0, a) (b) The directrix of y2=−4ax is x + a = 0 (c) The end points of latus rectum of x2=−4ay is (a, 2a) and (a, -2a) (d) The parabolas x2=4ay and y2=4ax are equal. __

Answer»

How many of the following statements are correct?

(a) The focus of $x^{2} = 4 a y$ is (0, a)

(b) The directrix of $y^{2} = - 4 a x$ is x + a = 0

(d) The parabolas $x^{2} = 4 a y$ and $y^{2} = 4 a x$ are equal.