How many lines of symmetry does this figure have? [Note: The black ball is part of the figure.]
A) 0
B) 1
C) 5
D) 10

Which of the binomials below is a factor of this exression? 16x^2+40xy+25y^2 a.4x-5y b. 2x-5y c.4x+5y d.2x+5y

If the discriminant if a quadratic equation is 4 which statement describes the roots?

What is the value of the discriminant of the quadratic equation -2x = -8x + 8 and what does its value mean about thenumber of real number solutions the equation has?