Question

Question 2 of 10

Use the matrix tool to solve the system of equations. Choose the correct
ordered pair.
4x + 5y = 2
5x - 3y = 21

Answer 1

(3 , -2)

Explanation:

4 5 2 5 -3 21 1 -8 19 -> * -4

5 -3 21 -> switch 4 5 2 -> * -1 -> 4 5 2 ->

1 -8 19 -> 1 0 3 1 0 3

0 37 -74 -> *8/37 0 37 -74 -> * 1/37 -> 0 1 -2