Question

Which equation represents the line perpendicular to the line x + 2y = 12?






A.

y = -2x – 9





B.

y = (1/2)x + 6





C.

2x – y = -3





D.

2x + 4y = 7

Answer 1

C. because a perpendicular slope is the negative reciprocal. The slope of the first line is -1/2 while the slope of line C is 2.

Answer 2

thank you

Answer 3

You're welcome

Answer 4

Find the 34th term of the arithmetic sequence: an = 5 + (n – 1)(-10). how about this?