Answered

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Question 3(Multiple Choice Worth 2 points)
Write the equation of the line that passes through (1, 5) and (-2, 14) in slope-intercept form.
Oy = 3x + 2
Oy = 3x + 8
Oy=-3x - 2
Oy=-3x + 8

Sagot :

wegnerkolmp2741o

Answer:

y= -3x+8

Step-by-step explanation:

The first step is to find the slope

m = ( y2-y1)/(x2-x1)

   = ( 14-5)/(-2 -1)

   = 9/-3

  = -3

The slope-intercept form is y = mx+b  where m is the slope and b is the y intercept

y = -3x+b

Using one of the points, we can substitute into the equation and solve for b

5 = -3(1)+b

5 = -3+b

Add 3 to each side

5+3 = -3+b+3

8 = b

y= -3x+8

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