We can use two points on a trend line to write an equation in slope-intercept form for the trend line. Steps to find the equation of a trend line are:
1) Find the slope of the trend line using a slope formula.
2) Find the y-intercept of the trend line using the slope-intercept formula.
3) Use the slope and y-intercept values to write the equation.
We walk-through how to find the equation of a trend line on a scatter plot. We show what to do if there are no data points on the trend line trend line for the 1st step.
8th Grade Math 14.2a, Drawing a Trend Line
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8th Grade Math Course Playlist
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Textbook: Go Math! Student Interactive Worktext Grade 8 2018 Student Edition
Publisher : HOUGHTON MIFFLIN HARCOURT; Student edition (April 28, 2017)
Language: English
2018 copyright
ISBN-13 : 978-1328761071
Item Weight : 2.85 pounds
Paperback : 608 pages
Product dimensions : 8.4 x 1.1 x 10.7 inches
