Answer:
y = -3x + 8
Step-by-step explanation:
Hi there!
We are given that a line has a slope of -3 and a y-intercept of (0,8)
We want to write the equation of this line in slope-intercept form, which is y=mx+b, where m is the slope and b is the value of y at the y intercept
As we are given the slope, we can immediately substitute it as m into the equation.
Replace m with -3:
y=-3x+b
Now for b.
As stated earlier, it is the value of y at the y intercept; that value in this case is 8
Substitute 8 as b into the equation
y = -3x + 8
Hope this helps!
Topic: finding the equation of the line
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