Luttrell 2012
150
Miscellaneous Algebra
Final Exam 9, 10
29. Simplify each:
a.
(
) (
)
4
3
0
3 2
2
0 2
x y
x y
b.
3
3
3
3
×
−
c. (3 - 2i) + (1 + 3i)
D. (3 - 2i)(1 + 3i)
30.
A. Expand: (x - 3)(x - 5)
B. Solve for x: 3 - 2(1 - x) = -5.
C. Solve for x: 3 - x < 6
D. Solve for x: | x - 3 | > 3
E. Expand: (x - 3)(x²-5x + 6)
31. Do the matrix operations:
a. [ 2 3] + [-1 2]
b. [ 2 -2] × [4 3]
c. 2[4 -1]
32. Simplify:
x
x
x
x
2
2
4
5
8
9
−
−
−
−
