Write the following in standard expression:
6i + 9i

What is the vertex of (x+1)^2 -2

Solve for x^2 =196

Perform the indicated multiplication:
-4i(7-8i)

Graph the function and determine if it opens up or down

x^2 = -45

Answer :Sqrt -7 * sqrt -7

Write the following function in a(x-h)^2+k form:

x^2-8x-1

Solve the following equation:
x^2+50x+525=0

Answer (-9-2i)-(-8-2i)

Find the vertex of -5x^2+70x-241

Solve the following equation:
-4+25x-6x^2 =0

i(6+8i)(6-8i)

Find the equation given the following:
Vertex = (-4,-2) Through point (3, 145)

Use the quadratic equation to solve:

4k(k+10) =10