Unit 3, Lesson 6
More Linear Relationships
Grade 8
6.1
Warm-up
Notice and Wonder: Daily Reading
What do you notice? What do you wonder?
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What do you notice? What do you wonder?
Lin has a summer reading assignment. After reading the first 30 pages of the book, she plans to read 40 pages each day until she finishes. Lin makes the graph shown here to track how many total pages she'll read over the next few days.
After day 1, Lin reaches page 70, which matches the point
Lines drawn on a coordinate plane have a slope and a vertical intercept. The vertical intercept indicates where the graph of the line meets the vertical axis. Since the vertical axis is often referred to as the
Here is a graph of a line showing the amount of money paid for a new cell phone and monthly plan.
The vertical intercept for the graph is at the point
A slope triangle connecting the two points
The vertical intercept is the point where the graph of a line crosses the vertical axis.
The vertical intercept of this line is