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2 years ago

Identify as a monomial, binomial, or trinomial. 2x^2+5x-8

Mathematics

2 answers:

swat322 years ago

6 0

Answer:

<h2>TRINOMIAL</h2>

Step-by-step explanation:

2x² + 5x - 8 there are no like terms

Three terms: 2x², 5x and (-8).

Therefore it's a trinomial.

Monomial:

x, 3, 3y, -9y² - one term

Binomial:

2 + a. xy + y³, 3x²y² - xy - two terms

Korvikt [17]2 years ago

3 0

Answer:

trinomial

Step-by-step explanation:

The expression is a trinomial because it consists of three terms (that's the definition of a trinomial. The three terms are: 2x^2, 5x, and -8.

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Step-by-step explanation:

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2 years ago

What is the value of cos θ given that (-2, 9) is a point on the terminal side of θ?

liq [111]

Answer:

a) cosθ = $\frac{-2\sqrt{85} }{85}$

Step-by-step explanation:

<u><em> Step(i):</em></u>-

Given point ( x , y ) = ( - 2 , 3 )

We know that the polar co-ordinates

x = r cos θ and y = r sinθ

where $r = \sqrt{x^{2} +y^{2} }$

$r = \sqrt{(-2)^{2} +(9)^{2} } = \sqrt{4+81} = \sqrt{85}$

<u><em>Step(ii)</em></u>:-

x = r cos θ

cosθ $= \frac{x}{r}$

cosθ = $\frac{-2}{\sqrt{85} } = \frac{-2}{\sqrt{85} } X \frac{\sqrt{85} }{\sqrt{85} }$

cosθ = $\frac{-2\sqrt{85} }{85}$

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2 years ago

1. SPORTS Hector wants to buy a new football. He initially thought it would cost $36, but when he went to the sporting goods sto

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Answer:

It cost Hector $28.8

Step-by-step explanation:

How to find the answer:

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1 year ago

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Step-by-step explanation:

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2 years ago

Please help‼️‼️

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Answer:

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2 years ago