Change Subject Gold

Change Subject Gold

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Question 1 of 25

1. Question
Make x the subject of the equation (x – 6)² = 2y
- x = √2y + 6
- x = (y / 2) + 6
- x = √2y – 6
- x = (y – 8)²
Correct

Incorrect
Question 2 of 25

2. Question
Make x the subject of the equation √(x + 7y) = 5
- x = 25 – 7y
- x = 10 – 7y
- x = √(7y + 5)
- x = 7y + 25
Correct

Incorrect
Question 3 of 25

3. Question
Make x the subject of the equation (x + 2)² = y
- x = √y – 2
- x = (y / 2) – 2
- x = √y + 2
- x = (y + 2)²
Correct

Incorrect
Question 4 of 25

4. Question
Make x the subject of the equation (x – 6)² = y
- x = √y + 6
- x = √y – 6
- x = (y – 6)²
- x = (y / 2) + 6
Correct

Incorrect
Question 5 of 25

5. Question
Make x the subject of the equation √(x + 3y) = 8
- x = 64 – 3y
- x = 8 – 9y
- x = √(3y + 8)
- x = 3y + 16
Correct

Incorrect
Question 6 of 25

6. Question
Make x the subject of the equation 4x² + 2y = 7
- x = √(( 7 – 2y ) / 4)
- x = (√7 + 2y) / 4
- x = √(( 2y – 7 ) / 4)
- x = √(7 / (2y – 4))
Correct

Incorrect
Question 7 of 25

7. Question
Make x the subject of the equation y = √(( x – 3 )/ 7)
- x = 7y² + 3
- x = 7y² – 9
- x = √(y – 3 / 7)
- x = 49y + 14
Correct

Incorrect
Question 8 of 25

8. Question
Make x the subject of the equation (x + 2)² = y
- x = √y – 2
- x = (y / 2) – 2
- x = √y + 2
- x = (y + 2)²
Correct

Incorrect
Question 9 of 25

9. Question
Make x the subject of the equation 12x² + 7y = 2
- x = √(( 2 – 7y ) / 12)
- x = 7y + 168
- x = √(12 / (7y – 2))
- x = (√12 + 7y) / 2
Correct

Incorrect
Question 10 of 25

10. Question
Make x the subject of the equation y = √(( x + 12 )/ 5)
- x = 5y² – 12
- x = 25y – 12
- x = √(y + 12 / 5)
- x = 10y² + 12
Correct

Incorrect
Question 11 of 25

11. Question
Make x the subject of the equation y = √(( x + 4 )/ 3)
- x = 3y² – 4
- x = 3y² + 16
- x = √(y + 4 / 3)
- x = 9y – 16
Correct

Incorrect
Question 12 of 25

12. Question
Make x the subject of the equation √(x – 19y) = 12
- x = 19y + 144
- x = 19y + 24
- x = 144 – 19y
- x = √(12 – 19y)
Correct

Incorrect
Question 13 of 25

13. Question
Make x the subject of the equation 3x + y = xy – 8
- x = (y + 8) / (y – 3)
- x = (y + 8) / (3 – y)
- x = (y² – 8) / 3
- x = (y – 3) / (y + 8)
Correct

Incorrect
Question 14 of 25

14. Question
Make x the subject of the equation 5x – y = xy + 7
- x = (y + 7) / (5 – y)
- x = (y + 5) / (y – 7)
- x = (y – 7) / (y – 5)
- x = (y² + 7) / 5
Correct

Incorrect
Question 15 of 25

15. Question
Make x the subject of the equation (7y – 5x) / xy = 2
- x = 7y / (2y + 5)
- x = (7y – 10) / 2y
- x = 7y / (2y – 5)
- x = 9y + 5
Correct

Incorrect
Question 16 of 25

16. Question
Make x the subject of the equation 10x – y = xy + 3
- x = (y + 3) / (10 – y)
- x = (y² + 3) / 10
- x = (y + 10) / (y – 3)
- x = (y – 3) / (y – 10)
Correct

Incorrect
Question 17 of 25

17. Question
Make x the subject of the equation (12y + 10x) / xy = 4
- x = 12y / (4y – 10)
- x = 16y – 10
- x = (12y + 40) / 4y
- x = 12y / (4y + 10)
Correct

Incorrect
Question 18 of 25

18. Question
Make x the subject of the equation (8y – 11x) / xy = 5
- x = 8y / (5y + 11)
- x = 8y / (5y – 11)
- x = (8y – 55) / 5y
- x = 13y + 11
Correct

Incorrect
Question 19 of 25

19. Question
Make x the subject of the equation (4y – 8x) / xy = 11
- x = 4y / (11y + 8)
- x = (4y – 88) / 11y
- x = 4y / (11y – 8)
- x = 15y + 8
Correct

Incorrect
Question 20 of 25

20. Question
Make x the subject of the equation 3x – y = xy + 14
- x = (y + 14) / (3 – y)
- x = (y – 14) / (y – 3)
- x = (y² + 14) / 3
- x = (y + 3) / (y – 14)
Correct

Incorrect
Question 21 of 25

21. Question
Make x the subject of the equation (2y + 2x) / xy = 9
- x = 2y / (9y – 2)
- x = (2y + 18) / 9y
- x = 2y / (9y + 2)
- x = 11y – 2
Correct

Incorrect
Question 22 of 25

22. Question
Make x the subject of the equation (3y – 2x) / xy = 2
- x = 3y / (2y + 2)
- x = (3y – 4) / 2y
- x = 5y + 2
- x = 3y / (2y – 2)
Correct

Incorrect
Question 23 of 25

23. Question
Make x the subject of the equation 14x + y = xy – 8
- x = (y + 8) / (y – 14)
- x = (y² – 8) / 14
- x = (y + 8) / (14 – y)
- x = (y – 14) / (y + 8)
Correct

Incorrect
Question 24 of 25

24. Question
Make x the subject of the equation (3y + 7x) / xy = 2
- x = 3y / (2y – 7)
- x = (3y + 14) / 2y
- x = 3y / (2y + 7)
- x = 5y – 7
Correct

Incorrect
Question 25 of 25

25. Question
Make x the subject of the equation 11x + y = xy – 5
- x = (y + 5) / (y – 11)
- x = (y² – 5) / 11
- x = (y – 11) / (y + 5)
- x = (y + 5) / (11 – y)
Correct

Incorrect

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