# Matrices: Doin' the Math Quiz

Think you’ve got your head wrapped around

*? Put your knowledge to the test. Good luck — the Stickman is counting on you!***Matrices**Q.

15

-15

None of the above

Q.

.-25

25

None of the above

Q. Find

None of the above

Q. Find the product:

None of the above

Q. Which of the following data sets cannot be expressed as a matrix?

I have three blue dresses, five red dresses ,and no yellow dresses.

I keep track of what time I eat lunch and dinner each weekday; I have the data for this week.

Mike and Carol each have three children of three different ages (youngest, middle child, and eldest).

This year I went on a five-day vacation to three states; last year I visited one state for a full week.

All of these can be expressed as matrices.