PLZ HELP
Factor 2x2 - 50 completely.
A) 2(x + 5)2
B) 2(x - 5)2
C) (x + 5)(x - 5)
D) 2(x + 5)(x - 5)
E) 2(x - 5)(x - 5)



Which of the quadratics has a graph with x-intercepts of 5 and -1?
A) y = x2 - 4x - 5
B) y = x2 - 5x - 4
C) y = x2 + 4x - 5
D) y = 2x2 - 4x - 5
E) y = 2x3 - 4x - 5