Question

Use the quadratic formula to find the exact solutions of x2 − 5x − 2 = 0. x equals negative b plus or minus the square root of b squared minus 4 times a times c, all over 2 times a x equals 5 plus or minus the square root of 33, all over 2 x equals negative 5 plus or minus the square root of 33, all over 2 x equals 5 plus or minus the square root of 17, all over 2 x equals negative 5 plus or minus the square root of 17, all over 2

Answer 1

C

Explanation:

It was right for me

Answer 2

Answer: The correct solution using the quadratic formula is:

x = (-(-5) ± sqrt((-5)^2 - 4(1)(-2))) / (2(1))

Simplifying:

x = (5 ± sqrt(33)) / 2

Therefore, the exact solutions of x^2 - 5x - 2 = 0 are:

x = (5 + sqrt(33)) / 2 or x = (5 - sqrt(33)) / 2

So the final answers are:

x = 2.79 or x = 2.21 (rounded to two decimal places)

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