claireybeary221 claireybeary221
  • 10-10-2020
  • Mathematics
contestada

(48,-30) (61,-45) (74,-60) find the y intercept

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billgkgk
billgkgk billgkgk
  • 10-10-2020

Answer:

The y-intercept is about  25.385

Step-by-step explanation:

Calculate slope from difference in  y-values divided by difference in x-values.

-15/13 is slope.

Use slope-intercept form.

Y= mx + b

Substitute values from given coordinates for y and x, then solve for b

-60 = -15/13(74) + b

-60 = -85.385 + b

-60 +85.385 = b

25.385 = b

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