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Find the x intercept and the y intercept of the graph of the equation 5x+4y=40

1 Answer

5 votes

Answer:

x intercept is 8, y intercept is 10

Explanation:

x intercept is the x value for which the graph crosses the x-axis. Similar for y.

5x + 4y = 40 describes a straight line, so we should have no problem with finding those values

Let's find an x for which y = 0

5x + 4y = 40

substitute y=0

5x = 40

x = 8

Let's find a y for which x = 0

5x + 4y = 40

substitute x=0

4y = 40

y = 10

User Bjoernwibben
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