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LenaWriter [7]
3 years ago
8

the solutions to the inequality y > −3x 2 are shaded on the graph. which point is a solution? a). (0, 2) b). (2, 0) c). (1, −

2) d). (−2, 1)

Mathematics
2 answers:
Misha Larkins [42]3 years ago
8 0
(2,0)

All the other points listed are in the side of points that do not belong to the set of soluctions.
PolarNik [594]3 years ago
7 0

we have

y> -3x+2

The solution is the shaded area above the dotted line

we know that

If a point is a solution of the inequality, then the coordinates of the point must satisfy the inequality

We will verify all cases to determine the solution of the problem

<u>Case A)</u> Point (0,2)

x=0\\y=2

Substitute the value of x and y in the inequality and verify

2> -3*0+2

2>2 -------> is not true

therefore

the point (0,2) is not a solution of the inequality

<u>Case B)</u> Point (2,0)

x=2\\y=0

Substitute the value of x and y in the inequality and verify

0> -3*2+2

0>-4 -------> is true

therefore

the point (2,0) is a solution of the inequality

<u>Case C)</u> Point (1,-2)

x=1\\y=-2

Substitute the value of x and y in the inequality and verify

-2> -3*1+2

-2>-1 -------> is not true

therefore

the point  (1,-2) is not a solution of the inequality

<u>Case D)</u> Point (-2,1)

x=-2\\y=1

Substitute the value of x and y in the inequality and verify

1> -3*(-2)+2

1>8 -------> is not true

therefore

the point (-2,1) is not a solution of the inequality

therefore

<u>the answer is the Point B</u>

(2,0)

To better understand the problem see the attached figure


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