Quiz about Week 1 HW Set 2 (Term 2)

Question 1

$$-x+y-z+10z+2x-10y=$$

Accepted Answer

$$x-9y+9z$$

Answer

$$x-9z-9y$$

Answer

$$-x-9z-9y$$

Answer

$$-x-9-9y$$

Question 2

-2(4p - 8) - 4p =

Accepted Answer

-12p + 16

Answer

12p - 8

Answer

12p - 16

Answer

-8p - 8

Question 3

-6 - (-8) =

Accepted Answer

2

Answer

-2

Answer

-14

Answer

14

Question 4

$$\left(4x^2-2\right)\ -\ \left(x^2\ +\ 2x\ \ -3\right)=$$

Accepted Answer

$$3x^2\ \ -2x\ \ +1$$

Answer

$$5x^2\ +\ 2x\ +5$$

Answer

$$5x^2\ +\ 2x\ -5$$

Answer

$$3x^2\ +\ 2x\ +5$$

Question 5

2(4x -3) -5(2x -3) =

Accepted Answer

-2x + 9

Answer

-2x - 9

Answer

-18x - 9

Answer

2x + 9

Question 6

Perimeter is the SUM of ALL the side lengths of a shape.

Which of the following is the expression for the perimeter of the rectangle in terms of x?

Accepted Answer

2x + 4

Answer

x + 2

Answer

4x - 8

Answer

6x

Question 7

Which expression represents the perimeter of the triangle?

Accepted Answer

4x + 4y + 5

Answer

6xy + 7

Answer

6x + 2y + 5

Answer

10xy + x + 2y

Question 8

Which of the following represents "5 times a number decreased by 17"?

Accepted Answer

5n - 17

Answer

17 - 5n

Answer

5n + 17

Answer

17 + 5n

Question 9

Which of the following represents "twice a number plus six"?

Accepted Answer

$$2x+6$$

Answer

$$2x-6$$

Answer

$$\frac{2x}{6}$$

Answer

$$2x(6)$$

Question 10

The local service center advertises that it charges a flat fee of $50 plus $8 per mile to tow a vehicle. Write an expression that represents the total cost of a service for m miles of towing.

Accepted Answer

50 + 8m

Answer

8x + 50

Answer

50m +8

Answer

50x + 8

Question 11

Which of the following is a factor of 6x + 12?

Accepted Answer

6

Answer

(x + 1)

Answer

12

Answer

x

Question 12

An all-you-can-eat buffet costs $12 per person plus a service fee of $8. Which expression represents the amount the all-you-can-eat buffet costs, including service, for x people?

Accepted Answer

12x + 8

Answer

20x

Answer

12 + 8x

Answer

12x

Question 13

A teacher has triple the amount of pencils that a student has. If the student has p pencils, then how many pencils does the teacher have, in terms of p?

Accepted Answer

3p

Answer

$$\frac{p}{3}$$

Answer

p + 3

Answer

p - 3

Question 14

The product of 3 and j is

Accepted Answer

$$3j$$

Answer

$$j+3$$

Answer

$$j-3$$

Answer

$$\frac{j}{3}$$

Question 15

Which of the following is a factor of 12x + 9?

Accepted Answer

3

Answer

x

Answer

3x

Answer

9

Question 16

The cost of a dozen cookies is x dollars. What is the price of one cookie?

Accepted Answer

$$\frac{x}{12}$$

Answer

$$12x$$

Answer

$$\frac{12}{x}$$

Answer

$$x+12$$

Question 17

Which of the following is equivalent to $$5x^2-15x?$$

Accepted Answer

$$5x\left(x-3\right)$$

Answer

$$5\left(x^2-3\right)$$

Answer

$$5x\left(x+3\right)$$

Answer

$$5x\left(x-2\right)$$

Question 18

Which of the following is NOT a factor of 6m² + 16m?

Accepted Answer

6

Answer

2

Answer

2m

Answer

m

Question 19

What is the expression for the area, in square units, of the rectangle in terms of x?

Accepted Answer

80x

Answer

16x + 20

Answer

18x

Answer

36x

Question 20

Which algebraic expression represents the perimeter, in units, of the rectangle in terms of x?

Accepted Answer

4x

Answer

x2

Answer

2x

Answer

8x

Question 21

Which expression shows the perimeter, in units, of the rectangle?

Accepted Answer

2l + 2w

Answer

lw

Answer

2(lw)

Answer

l + w

Question 22

Gaby has x marbles. Tony has 20 fewer marbles than Gaby. Which expression shows how many marbles they both have together in terms of x?

Accepted Answer

2x - 20

Answer

x + 20

Answer

x - 20

Answer

20 - x

Question 23

Lina bought 5 yards of ribbon for a project. She bought 10 more yards of ribbon after she realized that 5 yards were not enough. How may feet of ribbon has Lina bought for the project? [1 yard = 3 feet]

Accepted Answer

45

Answer

13

Answer

15

Answer

30

Question 24

Which of the following is a factor of 5x + 10?

Accepted Answer

5

Answer

2

Answer

x

Answer

10

Question 25

A rectangle has the width w. The length of the rectangle is 5 less than twice the width. Which of the following expresses the length in terms of width?

Accepted Answer

$$l=2w-5$$

Answer

$$w=2l-5$$

Answer

$$l=10+w$$

Answer

$$l=5-2w$$

Week 1 HW Set 2 (Term 2)

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