3 years ago

HELLLLLLLLLLLLLLLLLLLPPPPPPPPPP 99PTS

1 answer:

Elena-2011 [213]3 years ago

6 0

A graphing calculator can be helpful for these.

A) Since neither inequality includes the "or equal to" case, the boundary line for the solution set is a dashed line. For the first inequality, the shading is above the line; for the second, the shading is below the line. The solution set is points to the right of perpendicular lines with slope -2 and +1/2 through point (2, -1).

B) The point -2, 3 satisfies, neither inequality.
.. 3 > -2(-2) +3 . . . FALSE
.. 3 < 1/2(-2) -2 . . .FALSE

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Use the converse of the pythagorean theorem to determine whether the triangle with the given vertices is a right triangle. (2, 1

weeeeeb [17]

B.
if it's is a right angle triangle, two of the x-coordinate of the points must be the same however with the points given, we can tell that the x coordinates are different , the two points are not vertical hence it does not form a right angle triangle.