Answer questions on the subject of SUBSTITUTION

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# Answer questions on the subject of SUBSTITUTION - PowerPoint PPT Presentation

Answer questions on the subject of SUBSTITUTION. Let’s Begin. Question 1 for £100. If x =2y and y = 7, what is x?. 50:50. A. 20. B. 14. C. 42. D. 36. Question 1 for £200. If x = y and y = 9, what is x? 3. 50:50. A. 15. B. 81. C. 18. D. 3.

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Presentation Transcript

on the subject of

SUBSTITUTION

Let’s Begin

Question 1 for £100

If x =2y and y = 7, what is x?

50:50

A. 20

B. 14

C. 42

D. 36

Question 1 for £200

If x = y and y = 9, what is x?

3

50:50

A. 15

B. 81

C. 18

D. 3

Question 1 for £300

If x = 7y and y = 5, what is x?

50:50

A. 30

B. 12

C. 42

D. 35

Question 1 for £500

If x = 2y + 6 and y = 4, what is x?

50:50

A. 12

B. 48

C. 64

D. 16

Question 1 for £1000

If x = 5y - 4 and y = 7, what is x?

50:50

A. 14

B. 31

C. -49

D. -14

Question 1 for £2000

If x = y2 and y = 3, what is x?

50:50

A. 6

B. 6

C. 8

D. 9

Question 1 for £4000

If x = y2 + 2 and y = 5, what is x?

50:50

A. 27

B. 25

C. 35

D. 30

Question 1 for £8000

If x = 4y– 3y and y = 10, what is x?

50:50

A. 108

B. 10

C. 112

D.84

Question 1 for £16000

If x = y3 + 5 and y = 2, what is x?

50:50

A. -8

B. 13

C. 4

D. 8

Question 1 for £32000

If x = 3y + 7y and y = -8, what is x?

50:50

A. 48

B. 184

C. 576

D. -80

Question 1 for £64000

If x = y3 + 6 and y = 3, what is x?

50:50

A. -12

B. 34

C. 33

D. 60

Question 1 for £125000

If x = 2- y2 and y = 1, what is x?

50:50

A. 3

B. 0

C. 1

D. 4

Question 1 for £250000

If x = 22y – 10y - y and y = 1, what is x?

50:50

A. -1

B. 11

C. 5

D. 1

Question 1 for £500000

If x = 10y - 10y and y = -4, what is x?

50:50

A. 0

B. -200

C. -120

D. -40

Question 1 for £1MILLION

If x = 4y2 - 3y2 and y = 5, what is x?

50:50

A. 128

B. -65

C. -335

D. 25

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