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A line has a slope of -3/7 and its y-intercept is (0, 18). What is its x-intercept?

 May 6, 2021

Best Answer 

 #1
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Slope intercept form of a line    y = mx + b     where m = slope and b = y axis intercept

 

y =  -3/7 x  + 18         the x axis intercept occurs when y = 0

0 = - 3/7x + 18

x = 18 * 7/3 = 42                42, 0   is the x axis intercept

 May 6, 2021
 #1
avatar+34430 
+2
Best Answer

Slope intercept form of a line    y = mx + b     where m = slope and b = y axis intercept

 

y =  -3/7 x  + 18         the x axis intercept occurs when y = 0

0 = - 3/7x + 18

x = 18 * 7/3 = 42                42, 0   is the x axis intercept

ElectricPavlov May 6, 2021

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