Jason gained 30 yards on the first play. He lost 40 on the second play. He gained 10 yards on the
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There are zero positive real roots for the given polynomial equation . This is explained by Descarte's rule of signs. So, the best choice is T (true).
- Descarte's rule of signs tells about the number of positive real roots and negative real roots.
- The number of changes in signs of the coefficients of the terms of the given polynomial f(x) gives the positive real zeros of the polynomial.
- The number of changes in signs of the coefficients of the terms of the given polynomial when f(-x) gives the negative real zeros of the polynomial.
The given polynomial equation is
On applying Descarte's rule of signs,
Since there are no changes in the signs of the coefficients of any of the terms in the above polynomial, the polynomial has no positive real roots.
Since there are four changes in the signs of the coefficients of the terms of the given polynomial when f(-x), the polynomial has 4 negative real roots.
Therefore, the given polynomial equation has zero positive real roots. So, the correct choice is T(true).
Learn more about Descarte's rule of signs here:
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Answer:
Therefore,
The surface area is
Step-by-step explanation:
Shape is triangular prism,
Base = b = 9
Height = h = 7
The length of each side of the triangular prism ,
s₁ = s₂ = s₃ = 9
Width of the entire prism
Width = W = 7
To Find:
The surface area = ?
Solution:
Total Surface Area of Prism is given by,
Where,
b = Base
h = Height
s₁ , s₂ , and s₃ = length of each side of the triangular prism
W = width of the prism
Substituting the values we get
Therefore,
The surface area is