2 years ago

For the polynomial f(x) = 5x^5 + 3x^3 - 16x + 2

Mathematics

1 answer:

mojhsa [17]2 years ago

3 0

I hope this helps you :)

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2 years ago

Find cot theta. (-6,-3sqrt(5)

cupoosta [38]

0 Pretend that is theta XD

cot 0 = $\frac{1}{tan0}$

Find tan 0.

tan 0 = $\frac{y}{x}$

tan 0 = $\frac{-3\sqrt{5}}{-6}$

tan 0 = $\frac{\sqrt{5}}{2}$

cot 0 = $\frac{1}{tan0}$

cot 0 = $\frac{1}{\frac{\sqrt{5} }{2} }$

Multiply 2/√5 to the numerator and the denominator (or multiply the reciprocal of the denominator to the top and bottom of the fraction)

cot 0 = $\frac{1}{\frac{\sqrt{5}}{2} } (\frac{\frac{2}{\sqrt{5}} }{\frac{2}{\sqrt{5}}} )$

cot 0 = $\frac{2}{\sqrt{5}}$

Multiply √5 to the numerator and the denominator

cot 0 = $\frac{2}{\sqrt{5}} (\frac{\sqrt{5} }{\sqrt{5} })$

cot 0 = $\frac{2\sqrt{5}}{5}$

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3 years ago

What is the solution to the system of equations? Use any method you like, but be sure to show all work.

Len [333]

2x + y = -3
x - 2y = -4

2x + y = -3
2x - 4y = -8
----------------
5y = 5
y= 1

2x + y = -3
2x + (1) = -3
2x = -4
x = -2

Solution: x = -2, y = 1

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3 years ago