|
1. What is one of the factors of 5x2 + 56x + 11?
|
|
a (x + 1)
|
| b (x + 11) |
| c (5x + 11)
|
|
d (x + 5)
|
|
e nota
|
|
2. What is one of the factors of 8x3 - 40x2
+ 48x
|
|
a (x - 2)
|
|
b (x - 6)
|
|
c (x + 3)
|
|
d nota
|
|
5.5
|
|
3. What is one of the factors of 2x3 -
72x after it is completely factored??
|
| a (x - 36)
|
|
b (x - 2) |
|
c (x + 6) |
|
d nota |
4. What is one of the factors of x3 - 8
after it is completely factored??
|
| a (x + 2) |
|
b (x - 8) |
|
c (x2 + 4x + 4) |
|
d (x2 + 2x + 4)
|
| e nota |
| 5.6 |
| 5. What is one of the factors
of x3 - 5x2 - 4x + 20 ?
|
| a (x + 5) |
|
b (x - 1) |
|
c x2 + 4 |
|
d x2 + 2 |
|
e nota
|
| 6. What is one of the factors of 66x2
- 66 after it is completely factored?
|
| a (x - 66) |
| b 6 |
| c (x2 -1) |
| d (x - 1) |
| e nota
|
| 5.7
|
7.
Determine the x-intercepts of y = x2 + 2x - 8 .
|
|
a (0,-4) and (0,2) |
|
b (4,0) and (-2,0) |
|
c (-4,0) and (2,0) |
|
d (0,4) and (0,-2) |
| e nota |
| 8. Solve by factoring: x3
- 2x2 = x - 2 . |
|
a x = 1, 2 |
|
b x = -1,2 |
|
c x = 1,-1, -2, 2 |
|
d x = 1,-1, 2 |
| e nota |
| 6.1 |
| 9. Simplify by factoring and
cancelling: (x3 - 2x2 - x
+ 2)/(x - 1) . |
a (x + 1)(x - 2)
|
|
b (x - 1)(x + 2) |
|
c ( x - 1)(x - 2) |
d nota
|
10.
|
|
a 3/7 |
|
b 7/3 |
|
c 3 |
|
d 7/9 |
| nota |
| 6.2 |
| 11. Add.
7/(15x2) + 9/(24x) |
|
a (56x + 45x2)/(120x) |
|
b (56 + 45x2)/(120x2) |
|
c (56 + 45x)/(120x2) |
|
d nota |
| 12. Add . 7 + 1/(x
-5) |
|
a 8/(x - 5) |
|
b (7x - 34)/(x - 5) |
|
c (7x + 34)/(x - 5) |
|
d nota |
| 13. Possibly Required written
problem: Add: 7 + 1/x = (7x + 1)/x |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|