Which of the quadratics has a graph with only one x-intercept?
A)
y = 2x2 + 4
B)
y = x2 - 8x + 16
C)
y = 2x2 - 8x + 20
D)
y = -2(x -1)2 + 2

Question

anonymous · Answer

Quadratic equations are of the form $$ax^2 + bx + c$$
Use the discriminant: $$b^2-4ac$$ 
If the discriminant is positive, the specific quadratic has two intercepts.
If the discriminant is negative, the specific quadratic is imaginary (no intercepts).
If the discriminant is equal to 0, there is one intercept.

anonymous · Answer

dont do his homework for him

anonymous · Answer

browsing, he makes no effort. he just wants answer

anonymous · Answer

he wants free lunch

anonymous · Answer

i dont fluttering get it. and im not a guy

anonymous · Answer

jerk