On the graph of the equation 5x – 2y = 20, what is the value of the y-intercept?

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02-09-2016
Mathematics

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On the graph of the equation 5x – 2y = 20, what is the value of the y-intercept?

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dalendrk dalendrk · Answer 1 · 2016-09-02T19:18:34+02:00

dalendrk dalendrk

02-09-2016

The slope-intercept form: y = mx + b

m - the slope
b - the y-intercept

5x - 2y = 20 |subtract 5x from both sides

-2y = -5x + 20 |divide both sides by (-2)

y = 2.5x - 10

Answer: The y-intercept b = -10 ⇒ (0;-10)

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