Determine the vertex, focus, and directrix of the parabola and sketch its graph.y2 = 12x
A. vertex: (0, 0)
focus: (-3, 0)
directrix: x = 3
B. vertex: (0, 0)
focus: (0, 3)
directrix: y = -3
C. vertex: (0, 0)
focus: (0, 3)
directrix: y = -3
D. vertex: (0, 0)
focus: (3, 0)
directrix: x = -3
Answer: D
You might also like to view...
Match the description with the correct symbolic expression.a linear equation whose graph has x-intercept -5 and y-intercept 19
A. -19x + 5y = 95 B. y = 19x + 95 C. x = 19 D. f(x) = -5
Write a slope-intercept equation for a line with the given characteristics.m = 6, passes through (4, -5)
A. y = 6x - 29 B. y = 6x + 28 C. y = 6x - 27 D. y = 7x + 30
List the potential rational zeros of the polynomial function. Do not find the zeros.f(x) = -4x4 + 2x2 - 4x + 6
A. ± , ±
, ±
, ±
, ±
, ± 1, ± 2, ± 3, ± 6
B. ± , ±
, ±
, ±
, ± 1, ± 2, ± 3, ± 6
C. ± , ±
, ±
, ±
, ± 1, ± 2, ± 3, ± 4, ± 6
D. ± , ±
, ±
, ±
, ±
, ± 1, ± 2, ± 4
Determine whether the given sequence is arithmetic, geometric, or neither. If the sequence is arithmetic, find the common difference; if it is geometric, find the common ratio.{5n2}
A. Arithmetic; d = 5
B. Geometric; r = 5
C. Geometric; r =
D. Neither