Question

Find the value of b if it is known that the graph of y=3x+b goes through the point. m(-2, 4)

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Answer 1

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let's plug the value of x and y in the equation, from the coordinates of given point (-2 , 4) to find value of b (y - intercept) :

• $y = 3x + b$

• $4 = (3 \times - 2) + b$

• $4 = - 6 + b$

• $b = 4 + 6$

• $b = 10$

value of b (y - intercept) is 10