10th Samacheer Quiz

Q1. For which value is (x+1)/(x−2) undefined?

0 1 2 3

Q2. ஒரு இருபடிச் சமன்பாட்டிற்கு சம மூலங்கள் இருந்தால் discriminant என்ன?

−1 0 1 2

Q3. If Δ=0, what type of roots does a quadratic equation have?

Two distinct roots Two equal real roots No real roots Three roots

Q4. Find the discriminant of x²−4x+7=0.

−12 12 0 4

Q5. If p(x)=x²+1, find p(−3).

−8 8 10 −10

Q6. Which matrix is a row matrix?

[1 2 3] [[1],[2],[3]] [[1,2],[3,4]] [1]

Q7. For 2x²−7x+3=0, find the product of roots.

7/2 3/2 −3/2 −7/2

Q8. For x²+4x+4=0, the roots are:

2,2 −2,−2 2,−2 4,1

Q9. If x+y=9 and x−y=1, find x.

4 5 6 7

Q10. If Δ>0, what type of roots does a quadratic equation have?

Two distinct real roots Two equal real roots No real roots Only imaginary roots

Algebra