Question

(iii)
Find the values of a and b from the quadratic equation 2x²
- 5x + 7 = 0.​

Answer 1

Answer

Given 2x

2

−5x+7=0

The standard quadratic equation is ax

2

+bx+c=0

by comparing we get a=2,b=−5,c=−7

∴ a=2,b=−5