1. The equation of the line L is parallel to y=5x. What is the equation for line L?
2. If (a,-2) is a point on the graph of y=x^2+3x, what is a?
3. Find the equation for the line with the given properties. Express the equation in slope intercept form. The points are P=(-1,-3) and Q=(1,-2). What is the equation of the line?