Question

22. Which table shows the x- and y coordinates of points on the liney - "2x?

A
B
X
y
X
у
2
4
2
4
2
1
1
2.
.
4
8
4
"8
D
X
y
у
X
-2
4
2
4
0
0
2
2
1
-2
2.
1
20
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Answer 1

A

Explanation:

The easiest way to solve this is by plugging in the values for x into the given equation. So first try plugging -2 into -2x, you get +4 as your value for y since the equation is really "y= -2x". Do this for the rest of your x-values and you'll see that A is correct.