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Romashka-Z-Leto [24]
3 years ago
15

Which equation is in slope-intercept form and represents a line with slope 3 through the point (9, –4)?

Mathematics
1 answer:
posledela3 years ago
8 0
The slope-intercept form of a line is:

y = mx + q

Where m is the slope and y is the y-intercept:

y = 3x + q

To find q (y-intercept), substitute the coordinates of the point (9, -4) in the equation of the line and solve it as an equation:

-4=3(9)+q
-4=27+q
q=-27-4=-31

The equation of the line is: y=3x-31
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