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Algebra II

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Find the exact solution to 6x^2+1= -8x by using the Quadratic Formula.

Answer: -4 +/- sqrt 10

2)Which describes the number and type of roots of the equation x^2-625=0?

Answer: 2 real roots

3)If g(x)=3x-8, find g[g(-4)]

Answer: -20

  • Algebra II - ,

    first two are correct.

    for the third:
    g(-4) = -12-8 = -20
    then g(-20) = -60-8 = -68

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