1.
If the product of two factors is 0, which of the following cannot be true?
A.
One of the factors is 10.
B.
One of the factors is 0.
C.
Both of the factors are 0.
D.
Neither of the factors is 0.
Hint
2.
When factoring quadratic trinomials of the form
x
2
+
b
x
+
c
, what is true about
m
and
n
if the factored form is (
x
+ m)(
x
+
n
)?
A.
The product of
b
and
c
is equal to the sum of m and
n
.
B.
The sum of
b
and
c
is equal to the product of m and
n
.
C.
Their sum is equal to
b
, and their product is equal to
c
.
D.
Their sum is equal to
c
, and their product is equal to
b
.
Hint
3.
What is the coefficient of the third term in the polynomial expansion for (
a
+
b
)
5
?
A.
5
B.
10
C.
6
D.
4
Hint
4.
What is the coefficient of the third term in the polynomial expansion for (
a
+
b
)
4
?
A.
5
B.
6
C.
10
D.
4
Hint
5.
What is the coefficient of the second term in the polynomial expansion for (
a
+
b
)
4
?
A.
2
B.
3
C.
5
D.
4
Hint