(10 points extra credit) Breifly explain the concept of wave/particle duality. How does this affect our understanding of atomic structure? For full points you need to explain the difference in waves and particles, how standing waves are used to visualize electron quantized orbitals.

What is the frequency of green light that has a wavelength of 531 nm? (c = 3.00 x 10⁸ m/s)

Factor the polynomial x2 – 12x + 20.

Find the radius of a circle whose equation is given by (x – {a})2 + (y + {b})2 = {r}.

Which of the following equations best represents the function whose graph is shown below:

Find the x-intercept(s), if any, of the function  x 2 + 3 x + 2 {“version”:”1.1″,”math”:”x^2+3x+2″}

Simplify  12 x 6 y 3 {“version”:”1.1″,”math”:”\sqrt {12x^6y^3}”}

Find the x-coordinate of the vertex of  x 2 + 6 x + 2 {“version”:”1.1″,”math”:”x^2+6x+2″}

Find the GCF of 25x7y2z and 15x3y4z2.

The y-intercept of the function f(x)={a}x2-{b}x+{c} is ___.