3 years ago

Find the vertex of the parabola. x² + y - 6x + 10 = 0

Mathematics

1 answer:

Drupady [299]3 years ago

3 0

Find the Vertex Form

y = -(x-3)^2-1

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I need help is it A B C or D

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I don't know the answer because i'm awful at math, but we're both in CMASAS! lol

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Which numbers are irrational ?

lianna [129]

Answer:

1.true 2.False 3. true 4. False 5. true 6. false

Step-by-step explanation:

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3 years ago

Find the explicit formula for the sequence? -1,4,-16,64......

Ede4ka [16]

The explicit formula for given sequence is: $a_n = -1 . (-4)^{n-1}$

Step-by-step explanation:

Given sequence is:

-1,4,-16,64.....

We can see that there is no same difference between consecutive terms so we will find common ratio to see if it is a geometric sequence.

Here

$a_1 = -1\\a_2 = 4\\a_3 = -16\\a_4 = 64\\r = \frac{a_2}{a_1} = \frac{4}{-1} = -4\\r = \frac{a_3}{a_2} = \frac{-16}{4} = -4$

The explicit formula for geometric sequence is:

$a_n = a_1r^{n-1}$

Putting the values of r and a1

$a_n = -1 . (-4)^{n-1}$

Hence

The explicit formula for given sequence is: $a_n = -1 . (-4)^{n-1}$

Keywords: Geometric sequence, common ratio

Learn more about geometric sequence at:

#learnwithBrainly

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3 years ago

Is the figure an example of parallel lines?

evablogger [386]

Parallel lines are a pair of lines that do not intersect

Therefore this is not an example of parallel lines because the lines intersect

The answer is C

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