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Mathematics 9 Online
UsArmy3947:

Another one please

UsArmy3947:

@Vocaloid

UsArmy3947:

1 attachment
UsArmy3947:

What do you think Voca? ^.^

Vocaloid:

calculate the slope using the slope formula

Vocaloid:

(y2-y1)/(x2-x1) = ? pick two points from the table to be your (x1,y1) and (x2,y2)

UsArmy3947:

-3 , 9

UsArmy3947:

-1 , 3

Vocaloid:

ok, now plug them into the formula

UsArmy3947:

So... (3 - 9) / (-1 - -3)

Vocaloid:

good

UsArmy3947:

-6 / 2 = -3

Vocaloid:

good so your answer is y = -3x

UsArmy3947:

:O you are a miracle worker... Thank you so much.

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