24-05-2021
Mathematics

contestada

If ordered pairs (a, -2) and (4, b) belong to set {(a, b): b=2a-8, find the value of a and b

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24-05-2021

Answer:

a = 3 b = 0

Step-by-step explanation:

(a,-2) b= -2

-2=2a -8

6=2a

3=a

(4,b) a=4

b=2(4)-8

b=8-8

b=0

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