Find the vertex, focus, and directrix of the parabola.
?
?
A. Vertex:
; Focus: 
; Directrix: 
B. Vertex:
; Focus: 
; Directrix: 
C. Vertex:
; Focus: 
; Directrix: 
D. Vertex:
; Focus: 
; Directrix: 
E. Vertex:
; Focus: 
; Directrix: 
Answer: A
You might also like to view...
Find the effective rate corresponding to the given nominal rate. Round your answers to three decimal places.
?
6% / year compounded monthly
?
_____%
?
6% / year compounded daily
?
_____%
?
A. 6.183%, 6.136% B. 6.168%, 6.183% C. 6.136%, 6.000% D. 6.183%, 6.000%
A school logo is made up of concentric circles as shown in the figure below. All the school colors, blue, green and yellow, are to be used. No two bordering regions can be the same color. If the center region must be yellow, how many different color schemes are possible?
Simplify. Assume that variables can represent any real number.
A. 4x2y
B. 4xy
C. 4xy
D. 2xy
Find the unknown sides of the right triangle (see illustration). Round your answer to the appropriate number of significant digits.
A. b = 39.9 km, c = 44.5 km B. b = 22.0 km, c = 39.9 km C. b = 32.5 km, c = 38.0 km D. b = 9.74 km, c = 8.73 km E. b = 17.7 km, c = 9.74 km