Question

O 0.080
20. 2x^2 + 5x - 1 = 0,What is the
nature of the roots?​

Answer 1

Answer:

Step-by-step explanation:

Two real and irrational numbers are the roots.

Answer 2

${\boxed{\sf{2x²+5x-1=0}}}$

${\boxed{\sf{b²-4ac=(5)²-4(2)(-1) =33}}}$

${\boxed{\sf{b²-4ac>0}}}$

If b² - 4ac > 0 then $\bold{\sqrt{b²-4ac}}$ will be real and non-zero. As a result, the roots of the equation ax² + bx + c = 0 will be real and unequal (distinct) if b² - 4ac > 0.