christineachord
Answered

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thank you! please help!

Which equations represents the relationship shown in the graph?

a. y = -1/3x
b. y = 3x
c. y = 1/3 x
d. y = - 3x

Thank You Please Help Which Equations Represents The Relationship Shown In The Graph A Y 13x B Y 3x C Y 13 X D Y 3x class=

Sagot :

The answer should be D. Y = -3x
charlief22

Answer:

D. y = -3x

Step-by-step explanation:

Firstly, find the coordinates:

(1, -3) and (2, -6)

Just from looking at these, you can tell that the y coordinate is multiplied by negative 3 but to find it using an equation, you can use the slope formula:

[tex]\frac{y2 - y1}{x2 - x1}[/tex]

Where x1 and y1 is the first set of coordinates and x2 and y2 is the second set. Simply plug the variables in:

[tex]\frac{-6 - -3}{2 - 1}[/tex]

[tex]\frac{-6 + 3}{1}[/tex]

[tex]\frac{-3}{1} = -3[/tex]

So the correct answer would be d.

Hope this helps!

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