1 | a. 5 | b. 3 | c. 3 |
2 | a. No | b. Yes | c.No |
3 | a. 48 | b. 12 | c. 25.5 |
4 | a. 88 | b. 16 | c. -32 |
5. a. x = 2 or x =-3 or x =7
b. x = -4/3 or x =1
c. x = 1 or x = 2 or x = 3 or x = 4
d. x = 3/2 or x = 1/3 or x = -1/4
6 |
a
|
(x − 1)(x − 2)(x + 2) |
b
|
(x − 1)(x − 2)(x + 4) | |
c
|
(x − 2)(x + 3)(x − 4) | |
d
|
(x − 1)(x − 1)(x − 4) = (x − 1)2(x − 4) | |
e
|
(x − 1)(x + 1)(x + 3) | |
f
|
(x + 1)(x + 2)(x + 3) | |
g
|
(x − 2)(x − 3)(x − 3) = (x − 2)(x − 3)2 |