ch195366
Answered

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EASY POINTS!! HELP AND ILL MARK YOU BRAINLIEST!!!!

which of the following points is not on the graph y=-1/2x²-3x+7

(1, 3.5)
(9, -60.5)
(-8 -1)
(6, -30)​

Sagot :

Kesja

Answer: (6, -30)

Step-by-step explanation:

Substitute the points into the equation:

3.5 = -1/2(1^3) - 3(1) + 7 = 3.5: (1, 3.5) is on the graph.

-60.5 = -1/2 (9^2) -3(9) + 7 = -60.5: (9, -60.5) is on the graph.

-1 = -1/2 (-8^2) -3(-8) + 7 = -1. (-8, -1) is on  the graph.

-30 = -1/2(6^2) -3(6) + 7 = -29 (6, -30) is not on the graoh.

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