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3 years ago

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

Mathematics

2 answers:

swat323 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]3 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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Answer:

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3 years ago

Factorise 9w² - 100<br><br><br>

ohaa [14]

Answer:

$9\, w^{2} - 100 = (3\, w - 10) \, (3\, w + 10)$ .

Step-by-step explanation:

Fact:

$\begin{aligned} & (a - b)\, (a + b)\\ =\; & a^{2} + a\, b - a\, b - b^{2} \\ =\; & a^{2} - b^{2} \end{aligned}$ .

In other words, $(a^{2} - b^{2})$ , the difference of two squares in the form $a^{2}$ and $b^{2}$ , could be factorized into $(a - b)\, (a + b)$ .

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$9\, w^{2}$ is the square of $3\, w$ . That is: $(3\, w)^{2} = 9\, w^{2}$ .
On the other hand, $10^{2} = 100$ .

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$9\, w^{2} - 100 = (3\, w)^{2} - (10)^{2}$ .

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$\begin{aligned}& 9\, w^{2} - 100 \\ =\; & (3\, w)^{2} - (10)^{2} \\ = \; & (3\, w - 10)\, (3\, w + 10)\end{aligned}$ .

8 0

3 years ago

Simplest form<br> 3/10 + 7/12 =

pochemuha

3(12)/10(12) + 7(10)/12(10) = 36/120 + 70/120

==> 18/60 + 35/60 = 53/60

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Answer:

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Step-by-step explanation:

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Answer:

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