Is this linear or non linear?

Choose the point slope form of the equation below that represents the like that passes through the points (-6,4) and (2, 0)

Tomas is making trail mix using granola and walnuts. he can spend a total of $12 on the ingredients. he buys 3 pounds of granola that costs $2.00 per pound. the walnuts cost $6 per pound. he uses the equation to represent the total cost, where x represents the number of pounds of granola and y represents the number of pounds of walnuts. he solves the equation for y, the number of pounds of walnuts he can buy. answer- b tomas added 6 to both sides of the equation instead of subtracting 6. just took the test

Segment xy is dilated through point m with a scale factor of 2. which segment shows the correct result of the dilation