Quiz about week 9 online weekend homework (math)

Question 1

Expand and Simplify

2(3y + 5) -4(y+2)

Accepted Answer

2y + 2

Answer

-2y + 6

Answer

2y + 10

Answer

6y + 10

Question 2

Simplify

a⁴ x a³

Accepted Answer

a7

Answer

a5

Answer

a8

Answer

a6

Question 3

Simplify

$$\frac{12b^7}{2b^2}$$

Accepted Answer

6b5

Answer

12b9

Answer

6b3

Answer

4b5

Question 4

Write down the square number which is a fcator of 100

Accepted Answer

25

Answer

50

Answer

10

Answer

5

Question 5

Multiply out the brackets

x(2x + y)

Accepted Answer

2x2 + xy

Answer

2x2 + y

Answer

3x + xy

Answer

2xy + x2

Question 6

Factorise

3ac - 6ad

Accepted Answer

3a(c - 2d)

Answer

3a(c + 2d)

Answer

3(ac - 2ad)

Answer

3a(c - d)

Question 7

Solve the simultaneous equations

3x + y = 5

5x + y = 9

Accepted Answer

x = 2, y = -1

Answer

x = 3, y = -4

Answer

x = 0, y = 5

Answer

x = 1, y = 2

Question 8

From the list of number

Write down a prime number

Accepted Answer

17

Answer

27

Answer

$$\sqrt[]{17}$$

Answer

$$\frac{5}{17}$$

Question 9

From the list of number

Write down an irrational number

Accepted Answer

$$\sqrt[]{27}$$

Answer

17

Answer

27

Answer

$$\sqrt[3]{27}$$

Question 10

Which of the following is a factor of 144

Accepted Answer

72

Answer

288

Answer

19

Answer

47

Question 11

Which of the following numbers is a multiple of both 6 and 8

Accepted Answer

24

Answer

12

Answer

32

Answer

40

week 9 online weekend homework (math)

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