The Quadratic Formula, x equals negative b plus or minus the square root of b squared minus 4 times a times c, all over 2 times a, was used

Question

The Quadratic Formula, x equals negative b plus or minus the square root of b squared minus 4 times a times c, all over 2 times a, was used to solve the equation 3×2 + 4x − 2 = 0. Fill in the missing denominator of the solution. negative 2 plus or minus the square root of 10, all over blank
A.−4
B.2
C.3
D.6

in progress 0
Isabelle 2 weeks 2022-01-10T09:54:19+00:00 2 Answers 0 views 0

Answers ( )

    0
    2022-01-10T09:55:24+00:00

    Answer:

    It’s C

    Step-by-step explanation:

    0
    2022-01-10T09:55:41+00:00

    Answer:

    C. 3

    Step-by-step explanation:

    3x² + 4x – 2 = 0

    [-4 +- sqrt(4² – 4(3)(-2))]/(2×3)

    [-4 +- sqrt(40)]/6

    [-4 +- 2sqrt(10)]/6

    Simplifying, we get:

    [-2 +- sqrt(10)]/3

Leave an answer

45:7+7-4:2-5:5*4+35:2 =? ( )