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    How on earth do you know how to draw inequalities such as x is less than or equal than 3y or 4y is greater than or equal to x???????
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    (Original post by Mo98)
    How on earth do you know how to draw inequalities such as x is less than or equal than 3y or 4y is greater than or equal to x???????
    Eg  x \leq 3y \Rightarrow \frac{x}{3} \leq y , so if you draw a graph of y = x/3 and shade the bits where
     \frac{x}{3} \leq y (test that using co-ordinates to find which side to shade.

    In short, find an equation for y or find the x and y intercepts of something (eg 3x + 5y = 150), so the intercepts are x = 50 and y = 30 and draw a straight line between those two points.
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    (Original post by SeanFM)
    Eg  x \leq 3y \Rightarrow \frac{x}{3} \leq y , so if you draw a graph of y = x/3 and shade the bits where
     \frac{x}{3} \leq y (test that using co-ordinates to find which side to shade.

    In short, find an equation for y or find the x and y intercepts of something (eg 3x + 5y = 150), so the intercepts are x = 50 and y = 30 and draw a straight line between those two points.
    Ohhhhhhhh I see, thank you!!!!!
 
 
 
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