SOLUTION: Bob has $40 to spend on popcorn and pop. The equation 5x + 2y=40 describes the number of popcorns x and small drinks y she can buy. Graph this function and find its intercepts.

Algebra ->  Linear-equations -> SOLUTION: Bob has $40 to spend on popcorn and pop. The equation 5x + 2y=40 describes the number of popcorns x and small drinks y she can buy. Graph this function and find its intercepts.       Log On


   

Question 130965: Bob has $40 to spend on popcorn and pop. The equation 5x + 2y=40 describes the number of popcorns x and small drinks y she can buy. Graph this function and find its intercepts. The graph is set up with numbers 2-20 on each axis.
Found 2 solutions by checkley71, stanbon:
Answer by checkley71(8403) About Me  (Show Source):
You can put this solution on YOUR website!
5X+2Y=40
2Y=-5X+40
Y=-5X/2+40/2
Y=-2.5X+20
+graph%28+300%2C+200%2C+-6%2C+15%2C+-10%2C+25%2C+-2.5x+%2B20%29+ (graph 300x200 pixels, x from -6 to 15, y from -10 to 25, -2.5x +20).

Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
Bob has $40 to spend on popcorn and pop. The equation 5x + 2y=40 describes the number of popcorns x and small drinks y she can buy. Graph this function and find its intercepts. The graph is set up with numbers 2-20 on each axis.
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5x + 2y = 40
Intercepts:
x-intercept:
Let y = 0, then x = 8
Point (8,0)
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y-intercept:
Let x=0, then y = 20
Point (0,20)
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graph%28400%2C300%2C-5%2C30%2C-5%2C30%2C%28-5%2F2%29x%2B20%29
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Cheers,
Stan H.