Question

if one zero of 4 x square -8 kx -9 is negative of the other, find k​

Answer 1

HOLA MATE ✌✌

HERE'S YOUR ANSWER ⤵⤵⤵⤵

⚫LET ALPHA AND BETA BE TWO ZEROS:

SO,

✔ ACCORDING TO QUESTION,

⚫ ALPHA=-BETA

↪ALPHA+BETA=-b/a

↪-BETA+BETA=-(-8k/4)

↪0=+2k

↪0/2=k

↪k=0

HOPE IT MAY HELPS UH ❤✌