Homework Help: ALGEBRA

Posted by ggift on Friday, September 11, 2009 at 7:13am.

I NEED SOMEONE TO CHECK THESE PLEASE!!!
IF B IS REPLACED WITH A NUMBER THAT SHOWS THE RELATIONSHIP INDICATED IN THE TABLE, ARE THESE ANSWERS CORRECT?
Y = -X + B
X Y
1 0
2 -1
8 -7
10 ?
20 ?
40 ?
SO,
y=-1+1=0....y=-2+1=-1.......y=-8+1=-7........y=-10+-3=-13...y=-20+1=19.....y=-40+15=-25........ARE THESE ANSWERS TRUE??

ALGEBRA - bobpursley, Friday, September 11, 2009 at 9:00am
take the first data (1,0)
y=-x+b
0=-1+b or b=1
Then why did you do this:
.y=-10+-3=-13 and
y=-40+15=-25
ALGEBRA - ggift, Friday, September 11, 2009 at 2:53pm
I was looking at the pattern that i saw. to me i see the pattern of 6 between the next number. am i doing it wrong??

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