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Does the point (-1,9) satisfy the equation y=-8x--1 ? yes no

Does the point (−1,9) (-1,9) satisfy the equation y=−8x−−1 y=-8 x--1 ?\newlineyes\newlineno

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Q. Does the point (−1,9) (-1,9) satisfy the equation y=−8x−−1 y=-8 x--1 ?\newlineyes\newlineno
  1. Substitute values into equation: Step 11: Substitute the xx and yy values from the point (−1,9)(-1,9) into the equation y=−8x−−1y = -8x --1.\newlineCalculation: Substitute x=−1x = -1 and y=9y = 9.\newline9=−8(−1)−−19 = -8(-1) --1
  2. Simplify the equation: Step 22: Simplify the right side of the equation.\newlineCalculation: −8(−1)=8-8(-1) = 8 and −−1--1 is actually +1+1, so 8+1=98 + 1 = 9.\newline9=99 = 9

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