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 ___.

The vertex of  f ( x ) = 2 x 2 − 4 x + 1 {“version”:”1.1″,”math”:”f(x)=2x^2-4x+1″} is (2, 1).

Atmospheric pressure, P, measured in inches of Hg can be modeled as a function of height, h, measured in miles above sea level, as P(h)=14.7e−0.21h{“version”:”1.1″,”math”:”P(h) = 14.7e^{-0.21h}”} At what height above sea level can we expect pressure to be approximately 7 in Hg?

Find the domain of  ( x − 4 ) ( x + 5 ) ( x − 3 ) {“version”:”1.1″,”math”:”\frac {(x-4)(x+5)} {(x-3)}”}