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Romashka-Z-Leto [24]
3 years ago
14

13 What is the equation of the line that has a slope of -3 and passes through the point (4,6)?

Mathematics
1 answer:
algol [13]3 years ago
7 0

Step-by-step explanation:

the general equation of a line is

y = ax + b

a is the slope of the line.

b is the y-intercept (the point, where the line crosses the y-axis, meaning the y value when x=0).

we get b by using the point coordinates in the equation and solve for b :

6 = -3×4 + b = -12 + b

18 = b

so, the full line equation is

y = -3x + 18

which is answer C : 3x + y = 18

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brainly.com/question/15175017

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