© The Visual Classroom Review of Straight Lines y = mx + b rise run rise run positive slope negative slope
© The Visual Classroom Equation of a line y = mx + b b slope = m y = 2x + 3 slope = 2 y-int = 3 5 Equation:
© The Visual Classroom
=
© The Visual Classroom
= -2
© The Visual Classroom
y = 3x - 4
© The Visual Classroom y = - 3x + 5 slope y-int
© The Visual Classroom y = - 2x + 5 m = -2, b = 5
© The Visual Classroom -3y = - 2x + 10 y = 2x