Algebra 2 Test Review

Find A+B

• 8     10
  8      1 
• 12     25
  7     1
• 10     30
  0     1
• can't add two together because the rows dont match columns

How many rows are in a 7 x 3 matrix?

• 7
• 3
• 21
• 10

What comes first in the order?

• Row
• Column

What is the name of each entry of a matrix?

• Row
• Element
• Dimension
• Rectangle

How many columns are in a 5 x 4 matrix?

• 5
• 4
• 20
• 9

What must be true in order to ADD two matrices?

• They must be square.
• The dimensions must be equal.
• The determinant can't equal 0.
• The column of the 1st must equal the row of the 2nd.

Element Address?

• a
• b
• c
• d

What is the solution to this system?

• (-2, -2)
• (2, -2)
• (-2,2)
• (2, 2)

What is the solution to this system of equations?

• (4, -1)
• (-1, 4)
• (-4, 1)
• (-4, -1)

If a system of equations has no solution, what does the graph look like? 

• intersecting lines
• parallel lines
• skew lines
• intersecting lines