Posted by find the slope if it exists on Wednesday, October 27, 2010 at 10:44pm.
then reduce -10/6 to lowest term.
okay and how do i do that . that is what i was asking?
look for a common factor of 10 and 6,,
for example if you have 6/4, 6 and 4 have a common factor of 2, thus you can factor out 2 from both:
2*3 / 2*2 = 3/2
like that. try it to -10/6 ~ :)
i still don't get it
hmm,, well try this one, what are the factors of 10?
5?
5 and..?
what do you multiply by 5 to get 10?
2
right. 5 and 2 are the factors of 10 because
2 * 5 = 10
now, what are the factors of 6?
3 and 2?
is that right? then what do i do. What is the answer?
yes! that's right! :)
now, from the factors of 10 (which is 2 and 5) and factors of 6 (which is 2 and 3), what number is common?
idk?
set 1: 2 and 5
set 2: 2 and 3
what number is common from both set?
2
right~! :)
now, you can cancel out 2 from both since it is a common factor:
-10/6 = -(2 * 5)/(2 * 3) = -5/3
so there,, :)
so -5/3 is the answer
you don't actually have to convert it to decimal. improper fraction or mixed number is fine, unless it is stated in the problem that you have to convert it. :)
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