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PLEASE HELP WILL MARK BRAINLIEST!!!!

PLEASE HELP WILL MARK BRAINLIEST class=

Sagot :

Masdip

Answer:

y = -5x + 20

Step-by-step explanation:

Lets start with the first given values for x and y

(2,10)

Lets try out the first equation

y = 5x + 4

y = 5(2) + 4

y = 14

This equation wouldn't work because the y value is not 10 when the x value is 2

y = 5x + 20

y = 5(2) + 20

y = 30

This equation doesn't work either

y = -5x + 20

y = -5(2) + 20

y = -10 + 20

y = 10

This would be the correct equation since your y value is 10 when the x value is 2

Answer:

y = -5x + 20

Step-by-step explanation:

(2,10) and (3,5)

Slope = (y-y)/(x-x)

(10-5)/(2-3) = 5/-1 = -5

y-intercept (any point) = y - (slope times x)

y-intercept = 5 - (-5)(3) = 5 + 15 = 20

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