Find the vertex, focus, and directrix of the parabola. Graph the parabola.(y + 2)2 = 4(x - 4)

A. vertex: (4, -2); focus: (3, -2);
directrix: x = 5

B. vertex: (-4, 2); focus: (-3, 2) ;  
directrix: x = -5

C. vertex: (4, -2); focus: (5, -2);  
directrix: x = 3

D. vertex: (-2, 4); focus: (-3, 4); 
directrix: x = -1


Answer: C

Mathematics

You might also like to view...

Solve the problem.Evaluate  at t = 9 for the function w = ey - ln x; x = t2, y = ln t.

A. 7
B.
C.
D. - 

Mathematics

Solve the equation .  Restrict your attention to the horizontal span of 0 to 5. Round your answer to two decimal places if necessary. ?

A. 1.47 B. 0.33 C. 0.46 D. 1.97

Mathematics

Find decimal notation, round as indicated.  Round to the nearest tenth.

A. 0.1 B. 1.14 C. 0.9 D. 1.1

Mathematics

Add a constant term to the expression to make it a perfect square.x2 + 7x

A.
B.
C.
D.

Mathematics