chelseyfulkerson
chelseyfulkerson chelseyfulkerson
  • 01-09-2021
  • Mathematics
contestada

3 Find y if the slope between ( – 7, y) and (1, 13) is 3/4​

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Eyadaqrabawi
Eyadaqrabawi Eyadaqrabawi
  • 01-09-2021

Step-by-step explanation:

[tex]slope \: = \frac{y2 - y1}{x2 - x1} = \frac{3}{4} [/tex]

point 1 ( -7,y)

point 2 (1,13)

[tex] \frac{13 - y1}{1 - ( - 7)} = \frac{3}{4} [/tex]

[tex] \frac{13 - y1}{8} = \frac{3}{4} [/tex]

[tex]13 - y2 = \frac{8 \times 3}{4} = 6[/tex]

[tex]y2 = 13 - 6 = 7[/tex]

y = 7

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