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Which rule describes the relationship between the x- and y- coordinates on the following graph? Choose 1 answer:

(Choice A)
A
y
=
2
x
y=2xy, equals, 2, x

(Choice B)
B
y
=
x
+
2
y=x+2

Which Rule Describes The Relationship Between The X And Y Coordinates On The Following Graph Choose 1 Answer Choice A A Y 2 X Y2xy Equals 2 X Choice B B Y X 2 Y class=

Sagot :

Answer:

A

Step-by-step explanation:

given the points

(0, 0 ) , (2, 4 ) , (4, 8 )

note that the y- coordinate is twice the value of the x- coordinate , so

y = 2x
Answer is A. y= 2x.

Reason.

Your slope (the number next to x in slope intercept form) is 2.
You know this by looking at your graph. From one point (2,4) to (4,8) you go up y + 4 and go right x + 2.
Slope is rise over run or y over x, so 4/2 or 2.

You can also find slope by finding change in y over change in x.
(y2 - y1) over ( x1 - x2)
(8-4) over (4-2) = 4/2 or 2.
So y = 2x.
Problem solved!
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