How do you graph y= x+4 and y=-2/3x-1

If you could answer these your a life saver

Which equation shows the quadratic formula used correctly to solve 5x2 + 3x -4 0 for x? cos -3+ v (3) 2-4() 2(5) 3+ |(3)² +4() 205) 3+ (3) 2-4() -3+ v (3)² +4()

The equation of a parabola is given. y=18x2+4x+20 what are the coordinates of the focus of the parabola?