Use determinants to find which real value of c makes the following matrix NOT invertible. [1 0 31 3-4 c 2 1 8

Evaluate the determinant |213122440| by expanding by minors.

Use a determinant to find an equation of the line passing through the points (1,4) and (5,2)

TEST Only one of the following matrix has an inverse. Find the determinant of each matrix, and use the determinant to identify the one that has an inverse. Then find the inverse. A=[141020101] B=[140020301]