TRUE FALSE

Algebra

Questions 1–10 of 19
Q1. If the discriminant of a quadratic equation is 0, the roots are equal.
Q2. ax²+bx+c=0 இன் மூலங்களின் கூட்டுத்தொகை −b/a ஆகும்.
Q3. (x+3)² = x²+6x+9.
Q4. A quadratic equation has degree 2.
Q5. The roots of x²−16=0 are 4 and −4.
Q6. x=2 is not a solution of 3x−6=0.
Q7. A quadratic equation can have at most two real roots.
Q8. x²+1=0 has a real root.
Q9. If D=0, there is a repeated real root.
Q10. Matrix addition does not require the same order.