Discriminant of a quadratic equation test
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Discriminant of a quadratic equation test
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Question 1 of 12
1. Question
1 pointsDiscriminant of the quadratic polynomial \(ax^2 + bx + c\) is \(D=b^24ac\).
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Question 2 of 12
2. Question
1 pointsThe discriminant of quadratic equation \(x^23x+2=0\) is:
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Question 3 of 12
3. Question
1 pointsThe discriminant of quadratic equation \(2x^23=0\) is:
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Question 4 of 12
4. Question
1 pointsThe discriminant of quadratic equation \(x^2=0\) is:
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Question 5 of 12
5. Question
1 pointsIf the discriminant of an equation is \(> 0\), which of the following is true
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Question 6 of 12
6. Question
2 pointsIf the discriminant is a perfect square the roots are rational.
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Question 7 of 12
7. Question
2 pointsHow many and what type of solutions would an equation have if the discriminant is 1234?
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Question 8 of 12
8. Question
2 pointsState the nature of the roots of the following quadratic equations \(2x^25x+4=0\)
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Question 9 of 12
9. Question
3 pointsIf the value of a discriminant is a perfect square, then the quadratic polynomial can be factored.
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Question 10 of 12
10. Question
3 pointsIf the value of a discriminant is zero, then the quadratic polynomial is a perfect square.
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Question 11 of 12
11. Question
3 pointsDetermine \(k\) so that \(x^210x+k=0\) has two equal real solutions.
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Question 12 of 12
12. Question
3 pointsDetermine \(k\) so that \(kx^22kx+1=0\) has two equal real solutions.
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