Hello,
A cubic polynomial with -2,1,2 as roots is
f(x)=k*(x+2)(x+1)*(x-2)=k(x²-4)(x+1)=k(x^3+x²-4x-4)
Looking the answers ==>k=1
==>Answer A
1 2/5 = 7/5
3 4/5 = 19/5
7/5 * 19/5 = 133/25 = 5.32
Answer:
almost an infinite amount, here are just a few.
Step-by-step explanation:
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tftft
ftftf
ffttf
ttfft
ffftf
tttft
It’s addition. 575.50-128=447.5. Then 447.5+450.90=898.90.
A quantity that may change