3 years ago

The square of a number is equal to 10 less than 7 times that number. What are the two possible solutions?

Mathematics

1 answer:

Margaret [11]3 years ago

8 0

The second equation, its setup is correct

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What number multiplied by itself 3 times equals -1000

Lemur [1.5K]

-10x-10x-10=-1000. Another way to think of that is the cube root of -1000 is -10.

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Given f(x)=x^2+12x+26.

MA_775_DIABLO [31]

Answer:

f(x) = (x+6)² - 10

Step-by-step explanation:

To write the equation in vertex form we, we need to use completing square method.

f(x) = x²+ 12x + 26 = (x² + 2*x*6 + 6²) - 6² + 26 = (x+6)² -36 + 26 =

= (x+6)² - 10

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(7)^2 +

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2 years ago

A 9 feet tall dragon ice sculpture is melting at a rate of 1.75 feet per hour. Write a linear function that represents this scen

vaieri [72.5K]

Answer:

$y = 9 - 1.75x$

Step-by-step explanation:

Given

$Initial\ Height = 9ft$

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Required:

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The function can be represented with:

$y = Initial\ Height- Rate * x$

We used minus (-) in the equation because the question indicates that the height of the sculpture reduces.

So, we have:

$y = 9 - 1.75 * x$

$y = 9 - 1.75x$

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