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Leno4ka
16 days ago
12

Line AB passes through points A(−6, 6) and B(12, 3). If the equation of the line is written in slope-intercept form, y=mx+b, the

n m=m equals negative StartFraction 1 Over 6 EndFraction.. What is the value of b?
Mathematics
2 answers:
babunello [3.6K]16 days ago
5 0

Answer:

  • m=-\frac{1}{6}
  • b=5

Step-by-step explanation:

\mathrm{Slope\:between\:two\:points}:\quad \mathrm{Slope}=\frac{y_2-y_1}{x_2-x_1}

\left(x_1,\:y_1\right)=\left(-6,\:6\right),\:\left(x_2,\:y_2\right)=\left(12,\:3\right)

m=\frac{3-6}{12-\left(-6\right)}

m=-\frac{1}{6}

The equation can be expressed in point-slope format

y-y_1=m\left(x-x_1\right)

In this case:

  • m represents the slope and
  • \left(x_1,\:y_1\right) is a specific point on the line

using m=-\frac{1}{6} and \left(x_1,\:y_1\right)=\left(-6,\:6\right) then

y-6=-\frac{1}{6}\left(x-\left(-6\right)\right)

-\frac{1}{6}\left(x-\left(-6\right)\right)=y-6

\mathrm{Multiply\:both\:sides\:by\:}-6

\left(-\frac{1}{6}\left(x-\left(-6\right)\right)\right)\left(-6\right)=y\left(-6\right)-6\left(-6\right)

x+6=-6y+36

x+6-36=-6y

x-30=-6y

\frac{x-30}{-6}=\frac{-6y}{-6}\:

y=\frac{-1}{6}x+5

Consequently

y=\frac{-1}{6}x+5

by equating the expression with the slope-intercept format

y=mx+b

thus,

y=mx+b

y=\frac{-1}{6}x+5

<pin conclusion="">
  • m=-\frac{1}{6}
  • b=5
</pin>
Svet_ta [4.2K]16 days ago
4 0

Answer:

it's essentially c.5

Step-by-step explanation:

refer to the information above

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