Find the equation in standard form of the parabola described.Find the equations of the two parabolas in standard form that have a vertical axis of symmetry and a focus at the point (0, 4), and that pass through the origin.

A. x2 = 16y and x2 = -16y
B. y2 = 16x and y2 = -16x
C. y2 = 8x and y2 = -8x
D. x2 = 8y and x2 = -8y


Answer: A

Mathematics

You might also like to view...

Solve the system of equations. x - y + 2z =  25x + z = 0 x + 5y + z = -10

A. {(0, -2, 2)} B. ? C. {(0, 0, -2)} D. {(0, -2, 0)}

Mathematics

Find all the roots of the given equation.x4 - 81 = 0

A. -3, -3j, 3, 3j B. -3 - 3j, -3 + 3j, 3 - 3j, 3 + 3j C. -3, 3 D. -3j, 3j

Mathematics

Find the exact value without using a calculator. cot 

A. - 
B.
C.
D. -

Mathematics

Solve the equation.y + 0.0398 = 0.0654

A. 0.0256 B. 0.0456 C. 0.1052 D. 0.0552

Mathematics