Slope-Intercept Worksheet
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Date:
Algebra 1 Notes
Slope-Intercept Form
Essential Question: What is slope-intercept form, and how does it help us graph lines?
Recall:
What is m?
____________
What is a y-int &
the point where a graph _______________________________ the ___________
(___ , ___)
how is it written?
they are always written as
What is
=
Slope-Intercept
where m = ___________ and b = _____________
Form?
How do I graph
1. Identify the slope (m) and the y-intercept (b)
using Slope –
2. Plot the y-intercept.
Intercept Form?
3. Use the slope starting at the y-intercept to get another point on the line.
*Tip: Generally,
For a positive slope, move up and to the right.
For a negative slope, move down and to the right.
If it will go off the graph, then *use your pencil as a guide* to
help you figure out which directions to move.
What about
The slope is..the thing happening multiple times that is multiplied by the variable
situations?
Key words: each, per, for every, daily, weekly, monthly, hourly, rate, …
(word problems)
The y-intercept is..the thing that only happens once or the starting/initial value
Ex: deposit, application fee, down payment, initial amount, …
Examples:
Identify the slope and y-intercept for each equation. Then graph the line.
2
1. �� = −
�� + 3
2. �� = 3�� − 2
3
m:
m:
b:
b:
Two Special Cases:
3. �� = 3
4. �� = −2
m:
m:
intercept:
intercept:
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