Answer:
3 is the coefficient of m3
The mistake that Karen made was that in order to get the 8 to switch sides, it should have been subtracted rather than added. This is because it is positive on the left side and therefore must be negative when we switch it to the right side. A proper version of this problem would be below.
y + 8 = 15
y = 15 - 8
y = 7
Add 12 to both sides
6x^2 = -1 + 12
Simplify -1 + 12 to 11
6x^2 = 11
Divide both sides by 6
x^2 = 11/6
Take the square root of both sides
x = ±√11/6
Simplify √11/6 to √11/√6
<em>x = ±11/√6</em>
<u>Answer: B) x = ±11/√6</u>
The answer is 0.88m.
take 0.11mx8 weeks