Math 10th Class Chapter 1

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Math 10th Class Chapter 1

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Question 1 of 15

1. Question
If 2x = 1,then x = ……………..
- 0
- 1
- 2
- 1/2
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Question 2 of 15

2. Question
An equation in which variable occurs under radical sing is called:
- exponential equation
- reciprocal equation
- radical equation
- variable equation
Correct

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Question 3 of 15

3. Question
The solution set of 5×2 = 30x is:
- {0,-6}
- {6,6}
- {0,6}
- {6}
Correct

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Question 4 of 15

4. Question
Which expression is a perfect square?
- x²+4
- y²-9
- x²+4x+1
- x²+ 1/x-2
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Question 5 of 15

5. Question
Two linear factors of x2-15x+56 are…………..
- (x-7) and (x+8)
- (x+7) and (x-8)
- (x-7) and (x-8)
- (x+7) and (x+8)
Correct

Incorrect
Question 6 of 15

6. Question
The standard form of the quadratic equation is ax2 + bx +c = 0 where a, b,c are……………….
- Irrational numbers
- Rational numbers
- Real numbers
- Whole numbers
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Question 7 of 15

7. Question
Solution set of equation 4×2 – 16 = 0
- {±4}
- {4}
- {±2}
- {2}
Correct

Incorrect
Question 8 of 15

8. Question
The solution set of x2-2x+1=0 is:
- {1}
- {2}
- {-1,2}
- {-1,1}
Correct

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Question 9 of 15

9. Question
The equation x- 2/x-1 = 1-2/x-1 has:
- No solution
- One solution
- Two solutions
- None of these
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Question 10 of 15

10. Question
The quardratic formula of ax2 + bx + c = 0 is:
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Hint
Question 11 of 15

11. Question
What should be done to make the coefficient of x2 equal to 1 in 3×2 +7x = 0?
- Multiply the equation by 1/3
- Divide the equation by 1/3
- Add 1/3 in both sides
- Subtract 1/3 from both sides
Correct

Incorrect
Question 12 of 15

12. Question
Standard form of quadratic equation.
- ax²= 0 , a = 0
- b +c = 0 , b ≠ 0+ bx + c = 0
- ax²+ bx + c = 0
- ax²= bx , a ≠ 0
Correct

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Hint

ax²= bx , a ≠ 0
Question 13 of 15

13. Question
The number of method to solve a quadratic equation is…….
- 1
- 2
- 3
- 4
Correct

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Question 14 of 15

14. Question
Two linear factors of x2 – 15x +56 are:
- (x-7)and(x+8)
- (x+7)and(x-8)
- (x-7)and(x-8)
- (x+7)and(x+8)
Correct

Incorrect
Question 15 of 15

15. Question
If b = 0 in a quadratic equation ax2 +bx +c = 0, then it is called.
- Pure quadratic equation
- Linear equation
- Quadratic equation
- Exponential equation
Correct

Incorrect