Is the sum of two negative numbers positive or negative
2 answers:
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If the roots of the equation f(x)=0 are -4,-1, 2 and 5, then binomials (x+4), (x+1), (x-2) and (x-5) are factors of needed polynomial.
Thus, the polynomial will have form
where a is real coefficient (positive or negative). This polynomial has degree 4 as needed.
The form of the graph depends on the sign of coefficient a. Attached diagrams show two different cases of possible forms of graphs (first one for positive coefficient a, second one for negative coefficient a).
Answer:
α=39.80°
Step-by-step explanation:
applying the law of sin and cos, we have:
and to the nearest tenth of a degree
α=39.80°
