Answer: Y=-3x+6
Step-by-step explanation:
First, you want to plug in the numbers you do know to the equation Y=mx+b
3 = -3(1) +B
Then multipy -3 x 1, and move it to the other side so it looks like:
3+3=B
Then format it without the X and Y plugged in so it would be
Y=-3x+6
