Which equation has the components of 0 = x2 - 9x - 20 inserted into the quadratic formula correctly?
O
x= -9 V(-9) 2 - 4(1)(-20)
2(1)
Ox= 9V-9)2 - 4(1)(20)
2(1)
O
x= 91V(-9)2 - 4(1)(-20)
2(1)
O
x
= -9
(-9)2 + 4(1)(-20)
2011

maximum area = xy = (16)(32) = 512 ft2

to maximize the area of the garden, the side of the fence parallel to the side of the house should be 32 ft long, and the other two sides should both have length 16 ft.'

source

y=1/4x-4

step-by-step explanation:

answer: median

step-by-step explanation:

the median is the middle value when a data set is ordered from least to greatest

x = -4

step-by-step explanation:

- 20 - 4(x + 3) = 4x

=> -20 - 4x - 12 = 4x

=> - 32 -4x = 4x

=> -32 = 4x + 4x

=> - 32 = 8x

=> -32/8 = x

=> -4 = x