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2 years ago

If f(x)=x^2, wich of the following describes the grap of f(x)-5?

Mathematics

1 answer:

iogann1982 [59]2 years ago

4 0

Answer:

x² - 5

Step-by-step explanation:

Given f(x) then f(x) - 5 represents a vertical translation, parallel to the y- axis.

f(x) + c

If c > 0 then shift vertically up of c units

If c < 0 then shift vertically down of c units

here c = - 5, hence

x² - 5 represents the graph

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2 years ago

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Ksivusya [100]

Answer:

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Step-by-step explanation:

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3 years ago

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Natali5045456 [20]

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2 years ago

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o-na [289]

Answer:

$\large\boxed{x=4\pm2\sqrt6}$

Step-by-step explanation:

$x^2-6x+12=2x+20\qquad\text{subtract}\ 2x\ \text{and}\ 12\ \text{from both sides}\\\\x^2-8x=8\\\\x^2-2(x)(4)=8\qquad\text{add}\ 4^2=16\ \text{to both sides}\\\\x^2-2(x)(4)+4^2=8+4^2\qquad\text{use}\ (a-b)^2=a^2-2ab+b^2\\\\(x-4)^2=24\iff x-4=\pm\sqrt{24}\\\\x-4=\pm\sqrt{4\cdot6}\\\\x-4=\pm\sqrt4\cdot\sqrt6\\\\x-4=\pm2\sqrt6\qquad\text{add 4 to both sides}\\\\x=4\pm2\sqrt6$

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2 years ago

If f(x)=x^2, wich of the following describes the grap of f(x)-5?​

If f(x)=x^2, wich of the following describes the grap of f(x)-5?