1 |
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2 |
Roots of the equation 4x2-4x+1=0 are: |
Real, equal
Real, uneqal
Imaginary
Irrational
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3 |
Two square roots of unity are: |
1,-1
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4 |
(figure) is equal to: |
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5 |
(img) is equal to: |
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6 |
If b2-4ac > 0, but not a perfect square then roots of ax2+bx+c=0 are: |
Imaginary
Rational
Irrational
None of these
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7 |
If b2-4ac<0, then the roots of ax2+bx+c=0 are: |
Irrational
Rational
Imaginary
None of these
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8 |
Product of cube roots of unity is: |
0
1
-1
3
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9 |
Sum of the cube roots of unity is: |
0
1
-1
3
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10 |
Cube roots of -1 are: |
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11 |
Roots of the equation 4x2-5x+2=0 are: |
Irrational
Imaginary
Rational
None of these
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12 |
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13 |
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14 |
An equation of the form 2x4-3x3+7x2-3x+2=0 is called a/an: |
Reciprocal equation
Radicalequation
Exponentialequation
None of these
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15 |
The solution set of equation 4x2-16=0 is: |
{4}
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