3 years ago

If a point is translated down 6 Units what are the new coordinates expressed as an algebraic representation

Mathematics

1 answer:

Colt1911 [192]3 years ago

3 0

Answer:

(x, y - 6)

Step-by-step explanation:

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Step-by-step explanation:

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3 years ago

y = 2x squared + 5x -3 can be written in the form y= 2( x+a) squared + b . Find the value of a and the value of b.

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General vertex form:

$y = m(x − a)² + b \: with \: vertex \: at \: (a, b)$

Given :

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Extract "spread factor" m

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Complete the square

$y = 2(x² + \frac{5}{2}x + ( \frac{5}{4})²) - 3$

$- 2( \frac{5}{4})²$

Write as a squared binomial and simplify the constant

$y = 2(x + \frac{5}{4})² - 6 \frac{1}{8}$

Re-write to match signs of standard general form:

$y = 2(x - ( - \frac{5}{4}))² \: + ( - 6 \frac{1}{8})$

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3 years ago

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If I have 14 neutrons and 11 electrons, what is my mass number?

Vinil7 [7]

Answer:

A : 25

Step-by-step explanation:

In a neutral atom, the number of electrons is equal to the number of protons. The atomic number indicates the number of protons.

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mass number=protons+neutrons

As we know from the atomic number, the number of neutrons is 14 and the number of electrons is 11.

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