Algebra 2 need help

Question

1. Solve 3x^2-7x=1 for x

2. Sketch a graph function y=bx+c where a <0 and discriminate is positive 

3. Simplify 3/6+7i

Answer 1

You have errors in your # 2 posting.

You mean DISCRIMINANT; when it's positive, the quadratic function f(x) = ax²+bx+c is a parabola intersecting the x-axis twice.  When a<0, the parabola is upside down.'