Unit #2 Review

Unit #2 Review

Multiple Choice

Solve by graphing.

• (–4, 5)

• (5, –4)

• no solution

• infinitely many solutions

Multiple Choice

Solve the system using substitution.

• (-4, 2)

• (2, -4)

• (1, -3)

• no solution

Multiple Choice

Solve the system using elimination.

• (2, 0)

• (0, 2)

• infinitely many solutions

• no solution

Multiple Choice

Solve the system algebraically.

• (–10, –6, 0)

• (–6, –10, 0)

• (14, 6, 0)

• no solution

Multiple Choice

Find the values of x and y that makes the matrix equation true.

• x = 6, y = 2

• x = 1, y = 3

• x = 2, y = 6

• x = –2, y = –6

Multiple Choice

Simplify.

• not possible

Multiple Choice

Multiply.  Show work.

• not possible

Multiple Choice

Find the determinant.

• -32

• 32

• -52

• 52

Multiple Choice

Find the determinant. Show work.

• -12

• 24

• 60

• 136

Multiple Choice

Find the inverse.

• not possible

Multiple Choice

Solve the system using matrices.

• (–7, –4)

• (–4, –7)

• (7, 4)

• no solution

Poll

How ready are you for the test?

• I am 100% ready!

• I need to look at one or two topics again

• I need to rewatch some videos

• I need to go to tutorials!