Answer:
The answer is in the solution. Please read to solution because I doubt you know anything about the topic. Read the solution so you can do it yourself next time.
Step-by-step explanation:
For this problem you just have to plug the x and y points into the equation.
Let's try out the easy ones first. If you plug 1 (our x value) into the equation you get y = 3(1) + 2
This then becomes y=5 and the y value that correlates to the x value 1 does NOT equal 5. So we can cross out the third option.
Now let's go to the fourth option (once again I'm just doing the easy ones).
y = -3x + 2
Plug in 1 (the first x value given) and you get y = -3 (1) +2
This then becomes y = -3 + 2.
Solve it and it is -1.
WE ARE NOT DONE THOUGH! Whenever you get a problem like this, plug in all the values.
Let's plug in 2 and -4 now.
y = -3x + 2
y = -3 (2) +2
y = -6 + 2
y = -4
So far so good!
Let's just plug in the other two ordered pairs.
y = -3 (3) + 2
y = -9 + 2
y = -7
Let's just plug in the last ordered pair to make sure.
y = -3x + 2
y = -3 (4) + 2
y = -12 + 2
y = -10
WE ARE DONE!