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2 years ago

Question 2.2 write down the general formula for the nth term of sequence. Mystic Rose

Mathematics

2 answers:

zysi [14]2 years ago

8 0

Answer:

The nth term of an arithmetic sequence is given by an = a + (n – 1)d. So, to find the nth term, substitute the given values a = 2 and d = 3 into the formula.

Step-by-step explanation:

Misha Larkins [42]2 years ago

5 0

Answer:

The nth term of an arithmetic sequence is given by. an = a + (n – 1)

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Step-by-step explanation:

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3 years ago

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NEED HELP ASAP PLEASE AND THHANK YOU!

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he formula to find area of a triangle is (base × height) ÷ 2

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3 years ago

Complete the square for the expression, then factor the trinomial.

Nuetrik [128]

Answer:

Completing the square we get: $(x-2)^2-(2)^2$

and factoring the term we get: $x(x-4)$

Step-by-step explanation:

We need to complete the square for the expression $x^2-4x$

For completing the square the expression would be of form $a^2+2ab+b^2=(a+b)^2$

For given expression we have to add (2)^2 and subtract to make it complete the square.

$x^2-2(x)(2)+(2)^2-(2)^2\\(x-2)^2-(2)^2$

Now, we have to factor the polynomial using formula $(a)^2-(b)^2=(a-b)(a+b)$

So, $(x-2)^2-(2)^2\\=(x-2-2)(x-2+2)\\=(x-4)(x-0)\\=x(x-4)$

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2 years ago

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3 years ago