| answers: b c a d c b b |
| 4.3
|
| 1. Add. (9x8
- 6x4 + 2x2 + 33) + (8x7
+ 3x2 + 2x - 33)
|
| a9x8
+ 8x7 - 6x4 + 5x2
+ 2x - 66 |
| b9x8
+ 8x7 - 6x4 + 5x2
+ 2x |
| c
9x8 + 8x7 - 6x4
+ 5x2 + 2x + 66 |
| dnone
of the above |
| 2. Subtract. (9x8
- 6x4 + 2x2 - 33) - (8x7
+ 3x2 + 2x - 33) |
|
a 9x8
- 8x7 - 6x4 + 5x2 -
2x |
|
b 9x8
- 8x7 - 6x4 + x2
- 2x + 66 |
|
c 9x8
- 8x7 - 6x4 - x2
- 2x |
|
dnota |
| 3.Subtract. ( 2x2 + 5) - (2x2
+ 5) |
|
a0 |
|
b10 |
|
c5 |
|
dnota |
| 4. Add. ( 2x2 + 5) + (2x2
- 5x) |
|
a0 |
|
b10 |
|
c4x2 |
|
dnota |
| 4.1 |
| 5. simplify: (2x)2(2x)15 |
|
a 4x17 |
|
b(4x)17 |
|
c(2x)17 |
|
dnota |
| 6.simplify: (a9b17)/(a2b) |
|
aa7b17 |
|
ba7b16 |
|
cnota |
|
dnota |
| 7.simplify: (x2y4/z3)4 |
|
ax6y8/z12 |
|
bx8y16/z12 |
|
cx8y16/z7 |
|
dnota |
| written problems. |
| 4.2 |
| 8. Yo. Simplify by combining like terms: 3a4
- 2a + 2a + a4 +
a2 . Show work by drawing lines between the like
terms. Answer: 4a4 +
a2 |
| 4.3 |
| 9. Subtract. (-6x + 2) - (x3
+ x2
+ x - 3) = - x3
- x2
- 7x + 5 |
| 10. Add. (-6x + 2) + ( x3
+ x2
+ x - 3) = x3
+ x2
- 5x - 1 |
| 11. Sec. 4.4 Multiply (x + 16) (x -
2) = x2 + 14x - 32 |