Suppose the solution set of a certain system of linear equations can be described as x 1 equals 8 plus 3 x 3 , x 2 equals negative 2 minus 8 x 3 , with x 3 free. use vectors to describe this set as a line in set of real numbers r3.

Use the triangle inequality theorem and examine all 3 combinations of the sides ... Find all possible lengths of the third side. Show Answer. difference < x < sum 7 - 2 < x < 7+2 Answer: 5 < x < 9. Problem 7. Two sides of a triangle have lengths 12 and 5. Find all possible lengths of the third side. Show Answer. difference < x < sum 12 - 5 < x ...