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Kitty [74]
3 years ago
12

Which equation represents the line that passes through points (1, –5) and (3, –17)?

Mathematics
2 answers:
adelina 88 [10]3 years ago
8 0

Answer:

y = -6x + 1

Step-by-step explanation:

y = mx + b

b = slope = (-5 - (-17))/(1 - 3) = 12/(-2) = -6

y = -6x + b

-5 = -6(1) + b

b = 1

y = -6x + 1

Zina [86]3 years ago
7 0

Answer:

y=-6x+1

Step-by-step explanation:

The linear equation with slope m and intercept c is given as follows:

y=mx+c

The formula for slope of line with points (x_{1} ,y_{2} ) and (x_{2} ,y_{2} ) can be expressed as,

m=\frac{y_{2} -y_{1} }{x_{2} -x_{1} }

The line passes the points that are (1,-5) and (3,-17)

The slope of the line can be obtained as follows:

m=\frac{-17-(-5)}{(3)-1}

m=\frac{-12}{2}

m=-6

The slope of the line is -6

The line passes through the point (3,-17)

Substitute 3 for x, - 6 for m and -17 for y in equation y=mx+c to obtain the value of c.

-17=-6(3)+c

-17=-18+c

-17+18=c

1=c

The equation is y=-6x+1

Hence, the equation of the line that passes through the points (1,-5) and (3,-17) is y=-6x+1

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