A1 3 linear fxns
13
Slope y = mx + b Algebra 1
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Transcript of A1 3 linear fxns
- 1. Slopey = mx + b
Algebra 1 - 2. Slope = =
Reminder
Rise
Run
y
x - 3. Slope given points
- 4. y = mx + b
The most common form for a linear equation is called slope-intercept form. - 5. y = mx + b
The most common form for a linear equation is called slope-intercept form.
The equation for this form is y = mx + b. - 6. y = mx + b
x represents the input. - 7. y = mx + b
x represents the input.
y represents the output. - 8. y = mx + b
x represents the input.
y represents the output.
m is the slope of the line. - 9. y = mx + b
x represents the input.
y represents the output.
m is the slope of the line.
b is the y-intercept. - 10. To graph:
Plot the y-intercept first. - 11. To graph:
Plot the y-intercept first.
From that point, use the slope to rise and run to the next point. - 12. To graph:
Plot the y-intercept first.
From that point, use the slope to rise and run to the next point.
Connect with a line. - 13. Examples 3 and 4