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Fiesta28 [93]
3 years ago
14

What are the x and y intercepts of 4x-5y=100?

Mathematics
1 answer:
boyakko [2]3 years ago
7 0
X intercept= (25,0)
y intercept=  (0,-20)
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Mr. McKay wrote an algebra test with a total of 15 questions consisting of multiple choice and short response style questions. M
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Step-by-step explanation:

x = number of multiple choice questions

y = number of short response questions

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=>

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let's subtract the first from the second equation :

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--------------------

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to graph you need to consider both equations as linear functions. and you need to transform them into e.g. a slope intercept form : y = ax + b

a is the slope, b is the y- intercept.

x + y = 15

transforms to

y = -x + 15

this line goes e.g. through the points (0, 15) and (1, 14).

and

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transforms to

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y = -x/2 + 10

this line goes e.g through (0, 10) and (2, 9).

the crossing point of both lines is the solution and should therefore be the point (10, 5) as calculated above.

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