Unit 5, Day 2

Unit 5, Day 1: Objective: Students will write the linear equation of a line using data from a line of best fit, or given 2 points.


Definition: An equation between two variables that gives a straight line when plotted on a graph.


Pictures and explanations: http://www.math.com/school/subject2/lessons/S2U4L3EX.html

Quiz:

1. (4,12) (-6,20)
2. 3 steel post weigh 3,75 lbs and 8 steel post weigh 10 lbs
3. $56 per day plus $1.775 per mile

Answer key:

1. 20-12/-6-4 8/10 Y=8/-10x+10 2. Y=3,75x+3
3. Y=1.75x+56

Video: http://m.youtube.com/watch?v=tdiNDwKOBvw