Question

Use the matrix tool to solve the system of equations. Answer as ordered pair.
3x-8y=-1
-2x+6y=1

Answer 1

I am unfamiliar with the Cramer rule as well as the matrix. Kinda new for me. @uri

Answer 2

So how will we solve it..if we don't know..wait elimination?substitution?

Answer 3

I believe its elimination @uri

Answer 4

3x-8y=-1(multiply by 3)
-2x+6y=1(multiply by 4)

6x-24y=-3
-8x+24y=4
------------
-2x=1
x=1/-2

Answer 5

To find y use the original 2nd equation and put the value of x
-2x+6y=1
-2(1/-2)+6y=1
1+6y=1
subract 1 both sides

1+6y=1
-1 -1
======
6y ans.

Answer 6

So as an ordered pair it would be (0.5,6)?

Answer 7

@uri

Answer 8

Yes -0.5,6

Answer 9

Thank you @uri