Question

from the quadratic eqn 2ysquare-5yplus10=0 find the bsquare -4ac​

Answer 1

$2 {y }^{2} - 5y + 10 = 0 \\ a = 2 \\ b = 5 \\ c = 10 \\ {b}^{2} = 4ac \\ {5}^{2} = 4 \times 2 \times 10 \\ 25 = 8 0$