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Katena32 [7]
3 years ago
15

A student writes the equation for a line that has a slope of

Mathematics
2 answers:
forsale [732]3 years ago
5 0

Answer:

  • the problem statement and form fill disagree
  • the arithmetic with -(-8)+8 is erroneous

Step-by-step explanation:

The point-slope form of the equation of a line is ...

  y -k = m(x -h)

for a point (h, k) and a slope m.

The problem statement tells us m=-6 and (h, k) = (2, 8). Putting these values into the form gives ...

  y -8 = -6(x -2)

The first line of "the work" uses -8 instead of 8. We cannot tell if that is an error in the work, or a typo in the problem statement. Either way, they disagree.

__

The last line of "the work" adds -(-8) and +8 to give a result of 0. That is definitely an error, regardless of the above.

_____

<em>Comment on the result</em>

If the problem statement has no typo, the errors cancel and the student ended up with the right equation.

lutik1710 [3]3 years ago
4 0

Answer:

it should be -8

Step-by-step explanation:

because in the equation it shows -(-8) which is a double negative making it a double negative or positive. so you would subtract

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