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Warm-Up
Which is the graph of the solution set of -2x + 5y > 15?
10 14
10 TU
10 T3
8
1
8
8
1
6
6
6
4
4
24
NA
NA
N
2
х
х
x
2 4 6 8 10
6
2 4 6
8
2 4 6 8 10
o

WarmUp Which Is The Graph Of The Solution Set Of 2x 5y Gt 15 10 14 10 TU 10 T3 8 1 8 8 1 6 6 6 4 4 24 NA NA N 2 Х Х X 2 4 6 8 10 6 2 4 6 8 2 4 6 8 10 O class=

Sagot :

Answer:

Graph # 3

Step-by-step explanation:

-2x + 5y > 15               Let x  = 0  solve for y

 -2(0) + 5y = 15             change the > to an =

     5y = 15

      y =3     Point (0, 5) is on the graph

 Graph # 3 is correct because the y-intercept  is 5  

    x          y

    0          3                    -2(0) + 5y = 15;     5y = 15

    5          5                  -2(5) + 5y = 15;    -10 + 5y = 15;  5y = 25; y = 5

    10         7                   -2(10) + 5y = 15; -20 + 5y = 15; 5y = 35; y = 7

   The graph > the line is dotted and you will shade above the line

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