What number can you use in place of the pi symbol

Write a polynomial function f of least degree that has rational coefficients, a leading coefficient of 1, and the given zeros. 3, 4+2i, 1+(sqrt)7 the answer is supposed to be: f(x)=x(^5)-13x(^4)+60x(^3)-82x(^2)-144x+360 what am i doing wrong?

Graph y = -|x| + 2. click on the graph until the correct one appears.

An equation in slope-intersept form the lines that passes thought (-8,1) and is perpindicular to the y=2x-17.