2 years ago

(Quadratic Formula) (Irrational level 1)

1 answer:

Leni [432]2 years ago

7 0

Answer:

(-11 +/- sqrt 21) / 10

-0.64 , -1.56 to the nearest hundredth.

Step-by-step explanation:

9v^2 + 11v + 5 = 4v^2

5v^2 + 11v + 5 = 0

Using the quadratic formula:

v = [ - 11 +/- sqrt(11^2 - 4*5*5) ] / 2*5

= (-11 +/- sqrt 21) / 10

= -0.64 , -1.56 to the nearest hundredth.

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