Gia is running for school president. Her best friend designed a rectangular button that measures 2.5 inches by 2 inches. Gina li
ked the button so much she produced a campaign poster, which measures 5 feet by 4 feet. What scale factor did Gina use to make the poster from the button? A. 2 inches to 1 foot
Perpendicular slope: opposite and reciprocal -4 opposite and reciprocal = 1/4 Y = 1/4x + b Plug in point -3 = 1/4(8) + b -3 = 2 + b, b = -5 Solution: y = 1/4x - 5