algebra

does the data in the table represent a linear function? if so, wirte a rule for the function.

(below is what the table looks like)
x | -2| -1| 0 | 1| 2|
y | -7| 1| 8 | 17| 25|

yes; y = 8x +9
yes; y = 8x + 8
no
yes; y = 1/8x + 8

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1. what is (25-17)/(2-1) ?
8

what is
(1 - -7) /( -1 - -2) ?
8/1 = 8

humm looks like slope = 8 so far

(17 -8)/ (1 - 0) = 9 !!!!!
oh my, not the same slope
crash
not on a straight line of constant slope

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posted by Damon

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posted by Emma

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4. I did. It is not a straight line.

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posted by Damon
5. so the answer is no??

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posted by Emma
6. Sorry I didn't see that he answered. thank u

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posted by Emma
7. It is almost a linear function, if the 8 becomes a 9, i.e. the y-values become
-7,1,9,17,25.

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posted by MathMate
8. You are welcome.

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posted by Damon

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