math show all work!!!!!!!
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algebra_1.rtfWA 1, p. 3
Name:
College ID:
Thomas Edison State College
College Algebra (MAT-121-GS)
Section no.:
Semester and year:
Written Assignment 1
Answer all assigned exercises, and show all work.
Let set A =
1251
6,,,3,0,,1,2,3,12
484
p
ìü
----
íý
îþ
. List all the elements of A that belong to the set of rational numbers. (See section R . 2, Example 1.) [ 6 .25 points]
Evaluate each expression. (See section R . 2, Example 3 .) [ 12 .5 points]
93164
×-¸
4
)
2
)(
3
(
)
5
(
6
-
-
-
Evaluate each expression for p = –4, q = 8, and r = –10. (See section R2, Example 4 .) [ 12 .5 points]
r
q
r
2
3
-
2
2
5
4
q
p
r
q
+
-
Use the distributive property to rewrite the sum as a product. (See section R.2, Example 6 . ) [ 6 .25 points]
x
x
10
15
-
Let x = –4 and y = 2. Evaluate each expression. (See section R.2, Example 9 . ) [ 1 2.5 points]
x
y
+
-
5
x
y
x
-
+
2
Simplify the expression. Assume variables represent nonzero real numbers. (See section R.3, Examples 1–3.) [ 6 .25 points]
(
)
3
4
0
2
y
x
-
Identify the expression as a polynomial or not a polynomial . If a polynomial, give the degree and identify it as a monomial, binomial, trinomial, or none of these. (See section R.3, Example 4.) [ 6 .25 points]
5
4
y
-
8. Find the sum or difference. (See section R.3, Example 5.) [ 6 .25 points]
(
)
(
)
(
)
1
3
4
2
3
8
2
2
3
3
-
+
-
+
+
-
+
-
x
x
x
x
x
x
Find the product. (See section R.3, Examples 6–8.) [ 6 .25 points]
(
)
(
)
5634
mm
-+
Find the product. (See section R.3, Examples 8 and 9 .) [ 6 .25 points]
(
)
[
]
2
1
4
z
y
+
-
Perform the indicated operations. (See section R.3, Examples 5–9.) [ 1 2.5 points]
(
)
2
5
3
+
p
(
)
)
3
2
(
4
9
3
z
z
z
z
+
+
-
-
Perform the indicated operation. (See section R.3, Examples 10 and 11.) [ 6 .25 points]
rs
rs
s
r
s
r
4
20
12
8
3
2
2
3
-
+
-
-
