10th Samacheer Quiz

Q1. The roots of x²−5x+6=0 are

1,6 2,3 −2,−3 −1,−6

Q2. [[2,0],[0,2]] எந்த வகை matrix?

zero matrix diagonal matrix row matrix column matrix

Q3. If a quadratic equation has equal roots, its discriminant is

−1 0 1 2

Q4. 2x+3y=7 மற்றும் x=2 எனில் y எவ்வளவு?

1/3 1 3 5

Q5. x²−16=0 இன் roots?

±2 ±4 4 only 16 only

Q6. If roots of x²−7x+10=0 are α and β, what is αβ?

−10 7 10 −7

Q7. Which matrix is a row matrix?

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

Q8. det [[2,1],[3,4]]=?

5 6 7 8

Q9. What is the order of a matrix having 2 rows and 3 columns?

2×3 3×2 2+3 5×1

Q10. For 2x−3y=6, the y-intercept is

−2 0 2 −3

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