Question

if one zero of a quadratic polynomial x square - 7 x + 5 k is minus 2 then find the value of k​

Answer 1

Hie!!

Given quadratic polynomial is

x² - 7x + 5k

This quadratic polynomial has two roots, in which one has given let the another root be a

a + ( -2 ) = 7/1 And a × -2 = 5k

a - 2 = 7 9 × -2 = 5k

a = 9 k = -18/5

Answer 2

Answer:

simply you can substitute -2 in the equation..... but I have given the complete solution..

hope this helps...