Math homework........?

Question

1.If you were to solve the system using the addition method, what would you multiply the first equation by in order to make the x’s add out of this system?

-2x + 3y = 6
4x – 2y = 8

- 2
- -2
- 4
- none of the above

2.Solve using the addition method. What is the x-value of the solution to the system?

2x – 3y = -1
3x + 4y = 24

-4
-3
-2
-none of the above

3.There is no solution to the system below.

x + 3y = 7
2x + 6y = 9

True
False

4.When a system has “infinite solutions on the line,” the lines are called coinciding.

True
False

5.The perimeter of a rectangle is 34 inches. The length is 4 less than twice the width. What is the length of the rectangle. Write a system of equations for this problem. Which one of the equations below would be part of that system?
DO NOT SOLVE

-2L + 2W = 4
-2L + 2W = 30
-L = 2W -4
-L = 4W – 2

Answer 1

Best Answer - Chosen by Voters

1) 2
2) 4
3) True
4) True
5) L = 4W -2

=)