The steps to derive the quadratic formula are shown below:
step 1 ax? + bx + c = 0
step 2 ax? + bx = -
step 3 x2 + x=-
step 7 (x+ - + pomac -- vozac
step 8 x= -b
/b2 - 4ac
2a +
2a
step 9 x= -btvb2-4ac
2a
which of the following is the first incorrect step?

answer: 20

step-by-step explanation: subtract the minimum date value from the maximum data value to find the date range. in this casem the date range is 42 - 22 = 20

hope this ! : ) ~zane

square pyramid

step-by-step explanation:

square prism looks like nothing like that

triangular prism has a rectangular base instead of a square base

tetrahedron has a triangular base

d

step-by-step explanation:

i used the pitagoras theoreme