qystqaydir qystqaydir
  • 14-12-2020
  • Mathematics
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.. pls help me....!!!!! Determine whether the point (-2,4) satisfy y<3x+5,y=3x+5 or y >3x+5..​

Respuesta :

erinna erinna
  • 19-12-2020

Given:

The point is (-2,4).

To find:

Whether the point (-2,4) satisfy [tex]y<3x+5,y=3x+5[/tex] or [tex]y >3x+5[/tex].​

Solution:

We have a point (-2,4).

Substituting x=-2 in 3x+5 and check whether it is greater, equal or less than y value, i.e., 4.

[tex]3x+5=3(-2)+5[/tex]

[tex]=-6+5[/tex]

[tex]=-1[/tex]

-1 is less than 4.

[tex]3x+5<4[/tex]

[tex]3x+5<y[/tex]

In can be written as

[tex]y>3x+5[/tex]

Therefore, the given point (-2,4) satisfy [tex]y >3x+5[/tex].

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