Line

It is true that the lines that do not intersect are parallel?

Result

Solution:

Lines may be in the space skew.

Leave us a comment of example and its solution (i.e. if it is still somewhat unclear...):

Be the first to comment!

Next similar examples:

1. Parametric equation
Find the parametric equation of a line with y-intercept (0,-4) and a slope of -2.
2. Elimination method
Solve system of linear equations by elimination method: 5/2x + 3/5y= 4/15 1/2x + 2/5y= 2/15
3. Three unknowns
Solve the system of linear equations with three unknowns: A + B + C = 14 B - A - C = 4 2A - B + C = 0
4. AP - simple
Determine the first nine elements of sequence if a10 = -1 and d = 4
5. Legs
Cancer has 5 pairs of legs. The insect has 6 legs. 60 animals have a total of 500 legs. How much more are cancers than insects?
6. Sequence 2
Write the first 5 members of an arithmetic sequence a11=-14, d=-1
7. Confectionery
The village markets have 5 kinds of sweets, one weighs 31 grams. How many different ways a customer can buy 1.519 kg sweets.
8. Examination
The class is 21 students. How many ways can choose two to examination?
9. Teams
How many ways can divide 16 players into two teams of 8 member?
10. Average
If the average(arithmetic mean) of three numbers x,y,z is 50. What is the average of there numbers (3x +10), (3y +10), (3z+10) ?
11. PIN - codes
How many five-digit PIN - code can we create using the even numbers?
12. Sequence
Write the first 6 members of these sequence: a1 = 5 a2 = 7 an+2 = an+1 +2 an
13. Blocks
There are 9 interactive basic building blocks of an organization. How many two-blocks combinations are there?
14. Reference angle
Find the reference angle of each angle:
15. Sequence
Write the first 7 members of an arithmetic sequence: a1=-3, d=6.
16. Three workshops
There are 2743 people working in three workshops. In the second workshop works 140 people more than in the first and in third works 4.2 times more than the second one. How many people work in each workshop?
17. Theorem prove
We want to prove the sentence: If the natural number n is divisible by six, then n is divisible by three. From what assumption we started?