Question

Solve the quadratic by taking square roots. Write your answer with no spaces as x=a,-a where a and -a are the values you found when solving. Round to the nearest tenth.

2x² - 9 = 121

Answer 1

Answer:x=+sqrt(65) or - sqrt(65)

Explanation:

2x^2 -9 =121

2x^2 =121+9=130

x^2=130/2=65

x=+sqrt(65) or - sqrt(65)