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- 1. Multiple Choice
Which of the given equation is linear?
2x2+4x-10=0
4x+8=5
x(x-4)=6
x2+5x-14=0
- 2. Multiple Choice
Which of the following is a quadratic equation?
25 - r2 = 4r
2x2 - 4x + 8
2(4x - 3) = 0
2y - 4x =10
- 3. Multiple Choice
Which of the following quadratic equations can be solved easily by extracting the square roots?
x2 + 7x +12 = 0
2w2 + 7w - 3 = 0
3v2 + 2v - 8 = 0
4t2 - 9 = 0
- 4. Multiple Choice
Which of the following quadratic equations is equal to x (x + 3) - 5 = 0?
x2 + 3x + 5 = 0
x2 + 3x - 5 = 0
x2 - 3x - 5 = 0
x2 - 3x + 5 = 0
- 5. Multiple Choice
What is the nature of the roots of the roots of a quadratic equation if the value of its discriminant is equal to zero?
The roots are rational and unequal
The roots are not real
The roots are irrational and unequal
The roots are rational and equal
- 6. Multiple Choice
What is the nature of the roots of the roots of a quadratic equation if the value of its discriminant is less than zero or negative?
The roots are rational and unequal
The roots are not real
The roots are irrational and unequal
The roots are rational and equal
- 7. Multiple Choice
In the equation 2x2 - 5x + 1 = 0, what is the value of a, b and c?
a = 2x2 , b = -5x , c = 1
a = 2 , b = 5 , c = 1
a = 2 , b = -5 , c = 1
a = -2 , b = -5 , c = -1
- 8. Multiple Choice
This method of solving quadratic equations transforms the equation in the form, ax2 + bx = c, what method is this?
Extracting the square roots
Factoring
Completing the square
None of the above
- 9. Multiple Choice
Which of the following is the solution set of the equation y = x2 + 3x + 2?
-1 and -2
1 and 2
-1 and 2
1 and -2
- 10. Multiple Choice
What is the graph of a quadratic function?
line
zigzag
parabola
circle
- Answer choicesTagsAnswer choicesTags