3 years ago

Explain why all of the graphs in this lesson show the first quadrant but omit the other three quadrants

Mathematics

1 answer:

xxMikexx [17]3 years ago

6 0

It shows you one because it wants you to figure it out

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dlinn [17]

The slope should be 3/10.

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3 years ago

Which equation is y = 2x2 – 8x + 9 rewritten in vertex form?

pishuonlain [190]

we have

$y=2x^{2} -8x+9$

Group terms that contain the same variable, and move the constant to the opposite side of the equation

$y-9=2x^{2} -8x$

Factor the leading coefficient

$y-9=2(x^{2} -4x)$

Complete the square. Remember to balance the equation by adding the same constants to each side

$y-9+8=2(x^{2} -4x+4)$

$y-1=2(x^{2} -4x+4)$

Rewrite as perfect squares

$y-1=2(x-2)^{2}$

$y=2(x-2)^{2} +1$ -----> equation in vertex form

therefore

the answer is the option C

$y=2(x-2)^{2} +1$

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3 years ago

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Let f(x)=x^2 and g(x)=x-2. Find (fog)(-3).

Mnenie [13.5K]

Answer:

Step-by-step explanation:

(x-2)^2

x^2-4x+4

-3^2-4(-3)+4=7

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3 years ago

4x-2= -14 what value of x makes 4x-2= -14 true?

ad-work [718]

-6

4 x (-6) - 2

-16 - 2

=-14

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How do you know when to multiply and when to divide to convert units or measurements

alexandr1967 [171]

Answer: Look at my attached example.

Hopefully this helps with converting units.

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3 years ago