Question

Choose the pair of numbers that is not a solution to the given equation.
y = 5 - 2x
My options are;
1,3
2,1
0,3

Answer 1

Plug each answer into the equation til you find the one that is not true:

3=5-2(1)
3=3

1=5-2(2)
1=1

3=5-2(0)
3=5

The last one is not true, so that is your answer.

Answer 2

Thank you! Are you willing to message me & help me with more?

Answer 3

I have my own homework to do today, but I could help you with a few more :)

Answer 4

For the equation 3x - 5y = -3, what is the value of y when x is 1?

Answer 5

x=1, so put 1 in place of x in the equation:

3(1)-5y=-3
3-5y=-3
3-3-5y=-3-3
-5y=-6
-5y/-5=-6/-5
y=6/5

Answer 6

Which of the following equations is a constant function?
y=x
y=5
x=5

Answer 7

I think it's y=x

Answer 8

If y = 2x - 3, then which of the following ordered pairs lies on the graph?

Answer 9

Actually a constant function is a horizontal line, so that last one is actually y=5

Answer 10

What are your options for the next one?

Answer 11

If y = 2x - 3, then which of the following ordered pairs lies on the graph?
(1, -1)
(-3, 0)
(5, 4)

Answer 12

Plug your points in to see which one is true (meaning it lies on the graph):

-1=2(1)-3
-1=2-3
-1=-1

So (1, -1) is your answer.

Answer 13

Which of the following does not lie on the graph of y = 2x - 2?
(-1/2, -3)
(1/2, 1)
(-1, -4)

Answer 14

-3=2(-1/2)-2
-3=-1-2
-3=-3

1=2(1/2)-2
1=1-2
1=-1

Answer is (1/2, 1)

Answer 15

Second and third ones.

Answer 16

Sorry, I have to go. Hopefully you can take it from here. If not, start a new question and someone else will help you :) Good luck!