Question

select all solutions to the equation3x - y = 10A. neitherB. only (3, 1)C. only (4, -2)D. Both (4, -2) and (3, 1)

Answer 1

At point (3, 10)

x = 3, and y = 10

Then

$3x-y=3(3)-10=9-10=-1\ne10$

Therefore (3, 10) is not a solution to the equation.

At point (4, -2)

x = 4, and y = -2.

Then

$3x-y=3(4)-(-2)=12+2=14\ne10$

Therefore (4, -2) is not a solution to the equation.

Hence,

neither point is a solution

Option A is the correct choice