ALGEBRA

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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 -

    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 -

    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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