Find the focus and directrix of the parabola with the given equation.y2 = -4x

A. Focus: (-1, 0), directrix: x = 1
B. Focus: (0, 1), directrix: y = -1
C. Focus: (1, 0), directrix: x = -1
D. Focus: (0, -1), directrix: y = 1


Answer: A

Mathematics

You might also like to view...

Given that p and q each represents a simple statement, write the indicated compound statement in its symbolic form.p: This is a tiger. q: This is a carnivore.If this is not a tiger, then this is not a carnivore.

A. ~ p ? ~ q B. ~ p ? ~ q C. ~ q ? ~ p D. p ? ~ q

Mathematics

Find the domain of the function.f(x) = 

A. x < 4 B. All real numbers C. x ? 0 D. x ? -4

Mathematics

Solve using a matrix on a graphing calculator.

A. (-11.3, 15.9, -8.1) B. (-14.1, 19.9, -10.1) C. (-2.8, 4.0, -2.0) D. (-5.6, 8.0, -4.0)

Mathematics

Discuss the AA Similarity Theorem, the SAS Similarity Theorem and the SSS Similarity Theorem. Give examples in which each of these theorems apply.

What will be an ideal response?

Mathematics