Transcribed Image Text: Write an equation of the line with slope -1 and y-intercept (0, 9)

Transcribed Image Text: Write an equation of the line with slope -1 and y-intercept (0, 9).
We will use the slope-intercept form, y = mx + b, to write an equation of the line.
We know the slope of the line and its y-intercept.
If the slope is -1 and the y-intercept is (0, 9), then m = -1 and b = 9.
y = mx + b
This is the slope-intercept form.
y = x + 9
Substitute -1 for m and 9 for b.
y = -x +
Simplify: -1x = -x.
The equation of the line with slope -1 and y-intercept (0, 9) is y = -x + 9.
Write the equation of the line with slope 1 and y-intercept (0, -6). (Use x as the independent variable.)
y =

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