Quiz about Chapter 7 - Algebra

Question 1

Write an expression for the sum of 4 and y

Accepted Answer

4 + y

Answer

y4

Answer

4y

Question 2

Write an expression for 6 taken away from x

Accepted Answer

x - 6

Answer

6 - x

Answer

6x

Question 3

Write an expression for the product of 5 and y and z

Accepted Answer

5yz

Answer

5y + z

Answer

5 + y + z

Question 4

Write an expression for the following: 3 is added to a certain number (x) multiplied by 2

Accepted Answer

2x + 3

Answer

5x

Answer

3x + 2

Question 5

Write an expression for the following: a number (y) is multiplied by 5 and then divided by 12

Accepted Answer

$$\frac{5y}{12}$$

Answer

5y - 12

Answer

$$\frac{12y}{5}$$

Question 6

3a + 4a

Accepted Answer

7a

Answer

34a

Answer

$$7a^2$$

Question 7

2x + 4x + 2x

Accepted Answer

8x

Answer

24x

Answer

242x

Question 8

8b - 2b

Accepted Answer

6b

Answer

6

Answer

10b

Question 9

3x + 2y + 3x

Accepted Answer

6x + 2y

Answer

8xy

Answer

33x + 2y

Question 10

8a + 2b

Accepted Answer

8a + 2b

Answer

10ab

Answer

6ab

Question 11

3c + 2d - c

Accepted Answer

2c + 2d

Answer

4c + 2d

Answer

3c + 2d - c

Question 12

5a + 7

Accepted Answer

5a + 7

Answer

12a

Answer

57a

Question 13

8 + 2c + 2 + 5c

Accepted Answer

10 + 7c

Answer

$$17c^2$$

Answer

10c + 7c

Question 14

5 - 3y + 3

Accepted Answer

8 + 3y

Answer

2y + 3

Answer

2 + 3y

Question 15

3 x 4a

Accepted Answer

12a

Answer

34a

Answer

3 x 4a

Question 16

7 x 2b

Accepted Answer

14b

Answer

14

Answer

72b

Question 17

8a x 2a

Accepted Answer

$$16a^2$$

Answer

$$10a^2$$

Answer

$$82a^2$$

Question 18

a x b x c

Accepted Answer

abc

Answer

a + b + c

Answer

ab + c

Question 19

4y x 4z

Accepted Answer

16yz

Answer

16 + yz

Answer

44yz

Question 20

2a x a

Accepted Answer

$$2a^2$$

Answer

2a

Answer

3a

Question 21

$$4y\ imes\ 3y^2$$

Accepted Answer

$$12y^3$$

Answer

$$12y^2$$

Answer

$$4y\ imes\ 3y^2$$

Question 22

6a x 2a x 2a

Accepted Answer

$$24a^3$$

Answer

10a

Answer

24a

Question 23

$$3c^3\ imes\ 4c^4$$

Accepted Answer

$$12c^7$$

Answer

$$12c^{12}$$

Answer

$$7c^{12}$$

Question 24

$$3a^4\ imes\ a\ imes\ 3b$$

Accepted Answer

$$9a^5b$$

Answer

$$9a^4b$$

Answer

$$9ab^5$$

Question 25

Solve if x = 3. x + 6 =

Accepted Answer

9

Answer

36

Answer

18

Question 26

Solve if x = 5. 2x =

Accepted Answer

10

Answer

25

Answer

7

Question 27

Solve if x = 4. 4x - 5 =

Accepted Answer

11

Answer

39

Answer

3

Question 28

Solve if x = 2, y = 3. 3x + 2y =

Accepted Answer

12

Answer

5xy

Answer

55

Question 29

Solve if x = 10, y = 4. 2y + 3x - 2 =

Accepted Answer

36

Answer

30

Answer

6xy - 2

Question 30

$$Simplify\ the\ following:\ \frac{3x}{4x}$$

Accepted Answer

$$\frac{3}{4}$$

Answer

$$\frac{3x}{4}$$

Answer

$$3x$$

Question 31

Simplify the following: $$\frac{2xy}{4x}$$

Accepted Answer

$$\frac{y}{2}$$

Answer

$$\frac{2y}{4}$$

Answer

$$\frac{2x^2}{4x}$$

Question 32

Simplify the following: $$\frac{4y}{20xy}$$

Accepted Answer

$$\frac{1}{5x}$$

Answer

$$\frac{2y}{10xy}$$

Answer

$$\frac{4}{5x}$$

Question 33

Simplify the following: $$\frac{2x^2}{3x}$$

Accepted Answer

$$\frac{2x}{3}$$

Answer

$$\frac{2x}{3x}$$

Answer

$$\frac{2^2}{3}$$

Question 34

Expand the brackets: 2(x + 3)

Accepted Answer

2x + 6

Answer

2x + 3

Answer

2x + 5

Question 35

Expand the brackets: 3(a - 4)

Accepted Answer

3a - 12

Answer

3a + 12

Answer

3a - 4

Question 36

Expand the brackets: 4(ab + 2)

Accepted Answer

4ab + 8

Answer

4a + 2b

Answer

4ab + 2

Chapter 7 - Algebra

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