Question

Let A×B=(a,b):b=3a-2. If (x,-5) and (2,y) belong to A×B, find the values of x and y.

Answer 1

Answer:

Step-by-step explanation:

(x , - 5) belongs to AxB, then

- 5 = 3x - 2 , then 3x = - 3 , then x = - 1.

(2 , y) belongs to AxB, then

y = 3*2 - 2 = 6 - 2 = 4 , then y = 4.