AnswersAdv. Algebra II S2 OriginalOperations on Rational and Irrational Numbers

Understanding Expressions Answers

10 verified answers6 views
1
Free Preview

3. There are no exponents to evaluate.4. Multiply and divide from left to right. 42 + 6.5X 42 – 3.56 + 0.56 – 0.5

A
42 + 6.5
B
42 – 3.5
C
6 + 0.5
D
6 – 0.5
2
Free Preview

2. Evaluate within parentheses. 42 ÷ 7 – 0.542 ÷ 7 + 0.542 ÷ 7 – 0.0542 ÷ 7 + 0.05

A
42 ÷ 7 – 0.5
B
42 ÷ 7 + 0.5
C
42 ÷ 7 – 0.05
D
42 ÷ 7 + 0.05
3

3. There are no exponents to evaluate.4. Multiply and divide from left to right. 42 + 6.542 – 3.56 + 0.56 – 0.5

A
42 + 6.5
B
42 – 3.5
C
6 + 0.5
D
6 – 0.5
4

5. Add and subtract from left to right. 5.56.538.548.5

A
5.5
B
6.5
C
38.5
D
48.5
5

A diver begins at sea level and dives down 200 feet. He ascends at a steady rate of 12 and one-third feet per minute for 4.5 minutes. Which of the following numerical expressions represents the final depth of the diver?

Question illustration
A
200 + (4.5)
B
200 – (4.5)
C
–200 + (4.5)
D
–200 – (4.5)
6

Term: X 8z, ½y, 7.78z, ½y, -7.7 X -8z, ½y, 7.7 ✔ -8z, ½y, -7.7

A
8z, ½y, 7.7
B
8z, ½y, -7.7
C
-8z, ½y, 7.7
D
-8z, ½y, -7.7
7

The coefficients are -1 and 3-1 and 1/31, 12, and 3X -1, 12, and 1/3.

A
-1 and 3
B
-1 and 1/3
C
1, 12, and 3
D
-1, 12, and 1/3
8

Variable: zy✔ y, zx, y

A
z
B
y
C
y, z
D
x, y
9

Coefficient: 8, ½✔ -8, ½8, ½, 7.7X -8, ½, 7.7

A
8, ½
B
-8, ½
C
8, ½, 7.7
D
-8, ½, 7.7
10

Constant: ✔ –7.7X -8, –7.7X ½, –7.7-8, ½, –7.7

A
–7.7
B
-8, –7.7
C
½, –7.7
D
-8, ½, –7.7

Did you find these answers helpful?

More from this Course

Assignment
21 verified answers

Adding and Subtracting Polynomials

Instruction
14 verified answers

Instruction

Instruction
11 verified answers

Instruction

Understanding Expressions Answers — Adv. Algebra…