Use the rational root theorem to list all possible rational roots for each equation. Then find any actual rational roots. X^3-4x
1 answer:
Answer:
Step-by-step explanation:
The given equation is
According to the rational roots theorem, the possible rational roots are all factors of the constant term, expressed over all
factors of the leading coefficient.
The factors of the leading term, 1 are:
±1
The factors of the leading coefficient are:
±1
The possible rational roots are:
You might be interested in
Answer:
Asnwer is A
Step-by-step explanation:
since the correlation between the FFQ and DR is 0.89
x y xy
8.26 1.68 13.8768 68. 2276 2.8224
0.83 0 0 06889 0
20.13 15.1 303.963 405.2169 228.01
11.16 7.49 83.5884 124.5456 56.1001
7.18 12.84 92.1912 51.5524 164.8656
1.76 0 0 3.0976 0
22.46 25.06 567.8596 513.4756 628.0036
-----------------------------------------------------------------------------------------------------------
∑ = ∑
= ∑
= ∑
= ∑
=
71.98 62.17 1061.479 1166.8046 1079.8017
-------------------------------------------------------------------------------------------------------------
Correlation Coefficient or Pearson Correlation is given by:
the rest calculation is in the attached image
