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 3x2 + 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

Question

Mathematics

Audrina

11 August, 20:28

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 3x2 + 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

+3

Answers (1)

Know the Answer?

Melody Holt · Answer 1

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