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Mathematics 8 Online
OpenStudy (anonymous):

Which of the following points is a solution of 2x > 3y + 4?

OpenStudy (anonymous):

the way to find out is to solve, but are we solving for x or y? Or both

OpenStudy (anonymous):

both i think

OpenStudy (anonymous):

ok 2x>3y+4 x>3y/2+2 Now substitue for x 2(3y/2+2)>3y+4 Now distribute 6y/2+4>3y+4 3y+4>3y+4 there is no y so there cant be a x understand?

OpenStudy (anonymous):

\so their is no solution

OpenStudy (anonymous):

2x>3y+4 or2x-3y>4 we plot 2x-3y=4 x=3y/2+2 when y=0,x=2 when y=2,x=5 when y=-2,x=-1 Plotting the graph |dw:1372021860346:dw| Putx=0,y=0 in2x>3y+4 0>0+4 which is not true,hence (0,0) does not lie on the graph. shaded portion is the required solution. Any point in the shaded region satisfies the above solution.

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