For the equation y = 3x2 - 4x + 11, choose the correct application of the quadratic formula. x equals four plus or minus the square root of negative four squared minus four times three times eleven, all divided by two ti x equals negative four plus or minus the square root of negative four squared minus four times three times eleven, all divided x equals negative three plus or minus the square root of three squared minus four times negative four times eleven, all divided x equals three plus or minus the square root of three squared minus four times negative four times eleven, all divided by two t

Question

Mathematics

Russell Frank

28 May, 23:47

For the equation y = 3x2 - 4x + 11, choose the correct application of the quadratic formula. x equals four plus or minus the square root of negative four squared minus four times three times eleven, all divided by two ti x equals negative four plus or minus the square root of negative four squared minus four times three times eleven, all divided x equals negative three plus or minus the square root of three squared minus four times negative four times eleven, all divided x equals three plus or minus the square root of three squared minus four times negative four times eleven, all divided by two t

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Answers (1)

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Rory Pacheco · Answer 1

Y = 3x² - 4x + 11

0 = 3x² - 4x + 11

x = - (-4) ± √ ((-4) ² - 4 (13) (11))

2 (3)

x = 4 ± √ (16 - 4 (143))

6

x = 4 ± √ (16 - 572)

6

x = 4 ± √ (556)

6

x = 4 ± 2√ (139)

6

x = 2 ± √ (139)

3