anonymous
  • anonymous
Choose the system of equations which matches the following graph. MULTIPLE CHOICE
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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chestercat
  • chestercat
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anonymous
  • anonymous
5x + 2y = –14 7x + y = 7 5x + 2y = –14 7x – y = 7 5x – 2y = –14 7x + y = 7 5x – 2y = –14 7x – y = 7
anonymous
  • anonymous
i would change all the equations to the standard slope form y = mx + b (where m is the slope and b is the y intercept) both the lines cut y-axis at -7 so look for the one that have y intercept = -7
anonymous
  • anonymous
y = 5/2x - 7 y = 7x + 7

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anonymous
  • anonymous
y = 5/2x - 7 y = -7x - 7
anonymous
  • anonymous
y = -5/2x + 7 y = 7x + 7
anonymous
  • anonymous
for the first one it shuold be y = -5x/2 - 7 y = -7x + 7
anonymous
  • anonymous
y = -5/2x + 7 y = -7x - 7
anonymous
  • anonymous
the 2nd one should be y = -5x/2 - 7 y = 7x -7 you got the signs all wrong o.O
anonymous
  • anonymous
3rd one: y = 5x/2 + 7 y = 7x + 7
anonymous
  • anonymous
mannn
anonymous
  • anonymous
haha, anyway 4th one y = 5x/2 + 7 y = 7x - 7 now look at all 4, see which one have y-intercept = -7 (hint: y = mx + b, b is the y-intercept)
anonymous
  • anonymous
i believe the answer is B
anonymous
  • anonymous
because both equations have a y intercept of -7 and on the graph the two lines intersect at 0,7
anonymous
  • anonymous
ya. intersect at (0, -7) be careful with the signs next time :P b is correct
anonymous
  • anonymous
thank you!

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