Question

Which of the following are solutions to the equation below? check all that apply. 4x^2+4x+1=9

A. x= square root of 2
B. x= -square root of 10 + 1/2
C. x= 1
D. x= square root of 10 + 1/2
E. x= square root of 2/ 2
F. x= -2

Answer 1

X= 1, X= -2

Explanation:

Answer 2

• ±Answer:

X 1 = 1 ; X 2 = -2

Explanation:

We clear the whole numbers, equal to (zero) and use the calculation formula of the quadratic function, according the image: