Algebra Final Review

Multiply: 
(4 – 3i)(-7 – 2i)

•   -23 + 13i

•   -23 - 29i

•   -34 + 13i

•   -34 - 29i

Add

• 11    8
  -4     2

• 3     2
  -6    -6

• -3    2
  -4    -6

• 10    8
  -6    2

Solve for the determinant of the following matrix:  
⌈12  −3⌉
⌊−6  15⌋
*detA= ad-bc

• 198

• 162

• -333

• -9

What does it mean if the determinant of a matrix is zero?

• The matrix does have an inverse

• The matrix does not have an inverse

Change to Logarithmic Form:
5^3 = 125

• log _5 125 = 3

• log_{ 3} 125 = 5

• log _5 3 =125

• log_125 3 = 5

log_3 81 = 4

• 81^3 = 4

• 81^4 = 3

• 34 = 81

• 4^3 =81

What is the range of the function in this graph?

• y ≤ 3

• y ≥ 3

• y ≤ 0

• y ≥ 0

Which of the following is TRUE about this expression?

• The leading coefficient is 2

• This polynomial has a degree of 3

• The polynomial is in standard form

• The end behavior would be described as "positive and even"

Translate into an equation:

One less than 4 times a number is 11

• 1-4n=11

• 4n-11=1

• 1-11=4n

• 4n-1=11

–13c = –52

• -4.5

• 676

• 4

• -676