Elca7jesmistorrasio
Elca7jesmistorrasio Elca7jesmistorrasio
  • 17-10-2016
  • Mathematics
contestada

Complete the sentence with the appropriate word.

Line CD contains points A (4, -7) and B (4, 8). The slope of line CD is _____.

A.) zero
B.) undefined
C.) positive
D.) negative

Respuesta :

mac2016 mac2016
  • 17-10-2016
Slope = y2-y1/ x2-x1 Here x1 is 4 Y1 is -7 X2 is 4 Y2is 8 Slope = 8-(-7)/4-4 = 15/0 Undefined
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Аноним Аноним
  • 23-10-2016

The best and most correct answer among the choices provided by your question is the second choice or letter B. The slope of line CD is undefined.

By two-point slope form:
m=(y2-y1)/(x2-x1)
m=(8+7)/(4-4)
m=15/0 (undefined)

I hope my answer has come to your help. Thank you for posting your question here in Brainly.
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