Find the focus and directrix of the parabola with the given equation.y2 = 36x

A. Focus: (0, -9), directrix: y = 9
B. Focus: (0, 9), directrix: y = -9
C. Focus: (9, 0), directrix: x = -9
D. Focus: (-9, 0), directrix: x = 9


Answer: C

Mathematics

You might also like to view...

The graph of  is given in the figure. State whether  or 

A. a > 0 B. a < 0

Mathematics

Solve.A box is constructed by cutting out square corners of a rectangular piece of cardboard and folding up the sides. If the cutout corners have sides with length x, then the volume of the box is given by the polynomial  Factor out the greatest common factor for this expression.

A. 4x(x2 - 18x + 45) B. 4(x3 - 18x2 + 45x) C. 4x(x2 + 18x + 45) D. 2x(2x2 - 36x + 90)

Mathematics

A cubic centimeter (cc) is the amount of space that a volume of 1 ml occupies. Because of this, we say that 1 cc = 1 ml. A common syringe is one with a capacity of 3 cc. Use the diagram below to find the indicated measurement.B

A. 0.12 cc B. 0.012 cc C. 12 cc D. 1.2 cc

Mathematics

Use Gaussian elimination to solve the linear system by finding an equivalent system in triangular form.

A. no solution B. (-3, 1, -2) C. (-3, -2, 1) D. (-2, 1, -3)

Mathematics