diana2700 diana2700
  • 03-01-2020
  • Mathematics
contestada

What is the equation of the line that passes through point (4, 12) and has a y- intercept of -2?

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joy123333
joy123333 joy123333
  • 03-01-2020

Answer:

y = (7/2)x - 2

Step-by-step explanation:

Use slope-intercept formula for linear equations y = mx + b

x and y show what points are on the line. We know (4, 12). x= 4 and y = 12

b is the y-intercept, which b = -2.

m is the slope.

To write the equation, you need the slope and y-intercept. Find the slope by putting x, y and b into the formula.

y = mx + b

12 = 4m - 2

14 = 4m

14/4 = m

m = 7/2

Put "m" into the formula with "b"

y = (7/2)x - 2

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