| b c b |
| 5.3 |
| 1. What is one factor of 7x2
+ 15x + 2 ? |
|
a(
x + 1) |
|
b(7
x + 1) |
|
cnota |
|
d |
| 2. What is one factor of 9x2
+ 18x + 5 ? |
|
a(x + 5) |
|
b(9x + 5) |
|
c(3x + 1) |
|
dnota |
| 5.4. |
| 3. What is one factor of x2 -
169? |
| a(x -
169) |
|
b(x + 13) |
|
c(x + 8) |
|
dnota |
4. Written problem. Is this
expression prime? ? x2 - 144. Answer yes or no.
If no, then factor the expression. If yes, then write "prime."
x2 - 144 = x2 -122 =
(x - 12)(x + 12) |
| 5. Written problem.
Is this expression prime? ? x2 + 144. Answer yes or no.
If no, then factor the expression. If yes, then write "prime."
PRIME. |