jennamae4256 jennamae4256
  • 13-11-2018
  • Mathematics
contestada

The y-intercept of the line whose equation is x - y = 7 is A.) 7 B.) 1 C.) -7

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whatjelly
whatjelly whatjelly
  • 13-11-2018
C) -7

Explanation: If you rearrange the equation into slope-intercept form, you get y = x - 7 so -7 is the b value (y intercept)
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AlonsoDehner AlonsoDehner
  • 29-06-2019

Answer:

C.) -7 is the right answer.

Step-by-step explanation:

Given is an equation of a line

[tex]x-y =7[/tex]

Write in slope intercept form as

[tex]y =x-7[/tex]

This is of the form

[tex]y = mx+b\\m=1\\b=-7[/tex]

y intercept = b=-7

Hence option C is the right answer.

Answer Link

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