Work out the two possible answers 2b2 (2b squared) + 4 = 12

b =±2

Step-by-step explanation:

2b^2 + 4 =12

Subtract 4 from each side

2b^2 +4-4=12-4

2b^2 =8

Divide by 2 on each side

2b^2 /2 =8/2

b^2 =4

Take the square root on each side

sqrt(b^2) = ± sqrt(4)

b =±2

area = length x width

length = 2 x width

32 = 2 x width x width

32 = 2 x width^2

36 = width ^2  

width = 6

length = 12

area is 32

perimeter = 2 x 12 + 2 x 6 = 24 + 12 = 36

step-by-step explanation:

  the correct choice is marked

step-by-step explanation:

the first two graphs show multiple turning points. the last graphs matches the description in every detail.