Slope (y2-y1)/(x2-x1)
Pick any random points
(1,0) and (0,3)
(3-0)/(0-1) = 3/-1 = -3
The slope is -3
It is already graphed?
That's the period at the end of the sentence written in
million-point font across the Sahara.
(It's an ad placed there by McDonald's to attract the
18-30 alien demographic.)
Yup! Line C is a transversal line
Amount of milk drunken: (4 children)(0.5 gall per week per child)
Multiply the result of the above calculation by ($2.89 / gallon):
4(0.5)($2.89) = $5.78 per week milk expenditure
The slope of the l8ne is 4
