Find the roots and the vertex of the quadratic on a calculator. Round all values to 3 decimal places (if necessary). y=2x^2-40x-41
y=2x
2
−40x−41

Roots:
and

Vertex: \big((
,
\big))

the entire expression should be subtracted from 30. to subtract the quantity, distribute the negative sign, which changes the signs on the terms. so, the –2 changes to positive and gets added to 30 instead of subtracted from it.

hope this ! ^w^

d is ur answer hopes this i dont really know how to explain it to u.

hi,

the area of abcd is 245.

3*24=230

4*94=1039

2*12=24

add all of them up, you get 2450