Homework Quiz 2-MATH.10.HFS1

Homework Quiz 2

Simplify the algebraic expression.

12(3a+4b) + 4(5a+6b)

Select one:

a.56a +72b

b. 56a + 10b

c.41a + 54b

d. 56a + 54b

Question 2

Question text

Simplify the algebraic expression below.

6y + 5 – 3y + 9

Select one:

a.

9y + 14

b.

3y + 14

c.

17y

d.

3y – 4

Question 3

Question text

Convert the English phrase below as an algebraic expression, then simplify the expression. Let x represent the number.

Nine increased by the product of 4 and two less than a number.

Select one:

a.

9 + 4(2-x); 4x+17

b.

9 + 4(x+2); 4x+17

c.

9 + 4(x-2); 4x+1

d.

9 + x – 8; x+1

Question 4

Question text

Solve the problem below.

-4 + (-22) + (-19) + (-21)

Select one:

a.

-14

b.

-20

c.

-58

d.

-66

Question 5

Question text

Solve the problem below.

2 + (-19) + 2 + (-19) + 16 + (-16)

Select one:

a.

-34

b.

-74

c.

-38

d.

0

Question 6

Question text

Simplify the algebraic expression below using the Addition Rules.

3(4-9a) + 8(5a-7)

Select one:

a.

-13a – 44

b.

13a + 44

c.

-13a + 44

d.

13a – 44

Question 7

Question text

A deep-see diver dives from the surface to 140 meters below the surface and then swims up 10 meters, down to 16 meters, down another 26 meters, and then up 24 meters. Find the diver’s depth after these movements.

Select one:

a.

148 meters below the surface

b.

168 meters below the surface

c.

96 meters below the surface

d.

64 meters below the surface

Question 8

Question text

Scores in golf can be positive or negative integers. For example, a score of 5 over par can be represented by +5 and a score of 3 under par can be represented by -3. If Donna had scores of 3 over par, 5 under par, and 4 under par for three games of golf, what was her total score?

Select one:

a.

6 over par

b.

6 under par

c.

12 over par

d.

12 under par

Homework Quiz 2-Question 9

Question text

Simplify the algebraic expression.

4 – (-2x) + 6x – (-8)

Select one:

a.

8x – 4

b.

12 + 4x

c.

12 + 8x

d.

4x – 4

Question 10

Question text

The difference between a country’s exports and imports is called the country’s trade balance. If a country had $234 billion in exports and $273 billion in imports, what was the country’s trade balance?

Select one:

a.

– $39 billion

b.

$39 billion

c.

$507 billion

d.

– $507 billion

Question 11

Question text

Evaluate the algebraic expression below when a) x = 4 and b) x = 18

4x² + 4x

Select one:

a.

a) 48 ; b) 1224

b.

a) 48 ; b) 216

c.

a) 32 ; b) 144

d.

a) 80 ; b) 1368

Question 12

Question text

Simplify the algebraic expression, or state that the expression cannot be simplified.

7x³ – 5x²

Select one:

a.

2x³

b.

2x⁶

c.

cannot be simplified

d.

6x

Question 13

Question text

Simplify the algebraic expression below by removing parenthesis and brackets.

1 – 3 [3 – (7x – 2)]

Select one:

a.

21x -14

b.

21x -2

c.

-7x-14

d.

-7x-2

Question 14

Question text

Use the order of operations to simplify the expression below:

23 – [9 – (5 – 7)] + (5 – 7)³

Select one:

a.

20

b.

4

c.

-20

d.

24

Question 15

Question text

If a rock falls from a height of 100 meters above the ground, the height H (in meters) after x seconds can be approximated using the formula H = 100 – 4.9x². What is the height of the rock after 3 seconds?

Select one:

a.

855.9 m

b.

85.3 m

c.

-116.09 m

d.

55.9 m

Question 16

Question text

Simplify the algebraic expression by removing parentheses and brackets.

-4(9x + 6) + 9(8x +6)

Select one:

a.

36x + 30

b.

5x + 2

c.

36x + 6

d.

-60x

Question 17

Question text

For the algebraic expression given, use the expression to answer the following questions.

a) How many terms are there in the algebraic expression?

b) What is the numerical coefficient of the first term?

c) What is the constant term?

d) Does the algebraic expression contain like terms? If so, what are the like terms?

Algebraic Expression: 7x + 9

Select one:

a.

a) 1

b) 7

c) 9

d) no

b.

a) 2

b) 9

c) 7x

d) no

c.

a) 2

b) 7

c) 9

d) no

d.

a) 2

b) 7

c) 9

d) yes, 7x and 9

Question 18

Question text

For the algebraic expression given, use the expression to answer the following questions.

a) How many terms are there in the algebraic expression?

b) What is the numerical coefficient of the first term?

c) What is the constant term?

d) Does the algebraic expression contain like terms? If so, what are the like terms?

Algebraic Expression: 4y + 1 + 6x

Select one:

a.

a) 3

b) 4

c) 1

d) yes, 4y and 6x

b.

a) 2

b) 4

c) 1

d) no

c.

a) 3

b) 4

c) 1

d) no

d.

a) 3

b) 6

c) 1

d) no

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Homework Quiz 2-MATH.10.HFS1

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