wafflewarriormg
27.06.2019 •
Mathematics
What is the result of isolating x^2 in the equation below? y^2-3x^2=6 a. x^2 = y^2/3 -2 b. x^2 = -y^2/3 -2 c. x^2 = y^2/3 + 2 d. x^2 = -y^2/3 + 2
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Ответ:
A. x^2 = y^2/3 -2
Step-by-step explanation:
Add 3x^2 to both sides of the equation. We do this so that the coefficient of x^2 is positive. It can be less confusing that way.
... y^2 = 3x^2 +6
Divide by 3.
... y^2/3 = x^2 +2
Subtract 2.
... y^2/3 -2 = x^2 . . . . . matches selection A.
Ответ: