Recent content by Nikki16

I do not know. I know the determinent is a real number that can be computed from elements by a specific formula.

Yes. The thing is I am in 8th grade doing 11th grade honors Algebra 2.

No neither did.

My teacher taught me in some cases involving variables we use cross multiplying. I have a textbook also that says so.

It say it is attached now.

Matrices- Variable in Matrices-Help! 1-19-12 I need help. I have a homework question that I have tried to solve. The matrix in the attachment has no inverse. Explain how you can determine the value of x. Then find x. I tried cross multiplying. 3*2/3=4x 6/3=4x 2=4x x=2/4 x=1/2