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IM REALLY CONFUSED! Help!!!!!!! Please explain your answer, thank you!

IM REALLY CONFUSED! Help!!!!!!! Please explain your answer, thank you!-example-1
User Matsev
by
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1 Answer

5 votes

ABOUT THIS FORMULA:

  • Y2 - Y1

X2 - X1

FOR PROBLEM: (2, 1) & (0, -5)

  • Y2 is -5
  • Y1 is 1
  • X2 is 0
  • X1 is 2

ABOUT POINT SLOPE FORM:

  • y - Y1 = m(x - X1)
  • Y1 & X1 is a point
  • m represents the slope
  • This form allows you to identify the slope & the point on the line

ABOUT SLOPE INTERCEPT FORM:

  • y = mx + b
  • m represents the slope
  • b represents the y - intercept AKA the starting point

Y2 - Y1

X2 - X1

-5 - 1

0 - 2

-6

-2

SIMPLIFIED: -3 because both -6 & -2 can be divided by 2.

y - Y1 = m(x - X1)

y - -1 = -3(x - 2)

y + 1 = -3x + 6

- 1 - 1

y = -3x - 5 --- SLOPE INTERCEPT FORM


I do not see y = -3x - 5 as one of your answer choices.... So, I am sorry if I am incorrect...


User Alrodi
by
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