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23 June, 05:43

Use the discriminant to determine the number and type of solutions the equation has.

x2 + 8x + 12 = 0

a. no real solution

b. one real solution

c. two rational solutions

d. two irrational solutions

+4
Answers (1)
  1. 23 June, 06:20
    0
    Discriminant = square root (b^2 - 4*a*c)

    square root (64 - 4*1*12) =

    square root (16) =

    4

    Therefore it has 2 rational soltions
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