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3 years ago

Please help!!!!! ASAP it’s a checkpoint

Mathematics

1 answer:

Setler [38]3 years ago

7 0

Answer:

Option A. x = –5 ± √133 / –6

Step-by-step explanation:

0 = –3x² + 5x + 9

From the above equation the following data were obtained:

Coefficient of x² (a) = –3

Coefficient of x (b) = 5

Constant (c) = 9

Using formula method, the solution to the equation can be obtained as follow:

x = –b ± √(b² – 4ac) / 2a

a = –3

b = 5

c = 9

x = –5 ± √(5² – 4 × –3 × 9) / 2 × –3

x = –5 ± √(25 + 108) / –6

x = –5 ± √133 / –6

Thus, option A gives the correct answer to the question.

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