Question

Which of the following lines has a slope of -1/2?

x + 2y = 0
x - 2y = 0
-x + 2y = 0

Answer 1

Any ideas?

Answer 2

i actually dont know this

Answer 3

Do you know the slope-intercept form:

y = mx + b

of the equation of a line?

Answer 4

i dont know the intercept form

Answer 5

i think if i did i would had an anwser by now

Answer 6

true

Answer 7

i really want to get all this done so i can be out of summerschool but thats my problem

Answer 8

http://www.purplemath.com/modules/strtlneq.htm

U may check this link

Answer 9

you still need to use the idea of balance

to put the equation into the form y = mx + b

Answer 10

once you do that the value of m is the slope