maddogblb
maddogblb maddogblb
  • 26-01-2017
  • Mathematics
contestada

What are the intercepts of the line 3x – 15y = 60?   A. x-intercept: –4; y-intercept: 20   B. x-intercept: –3; y-intercept: 15   C. x-intercept: 20; y-intercept: –4   D. x-intercept: 5; y-intercept: 20

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floridabob floridabob
  • 03-02-2017
X intercept is when y = 0
3x -15(0) = 60
3x = 60
x = 20

y intercept is when x=0
3(0) -15y = 60
-15y = 60
y = -4

Answer is C
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