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4 years ago

Can someone please help me and check my answer on this math assignment?

Mathematics

2 answers:

Oksana_A [137]4 years ago

8 0

Looks good, since b c and d don't really match up answer a looks like the proper choice for you

Anarel [89]4 years ago

6 0

Answer:

Step-by-step explanation:

The whole graph has been moved down 2.5 units. So the last bit of the function will be - 2.5.

The shape hasn't changed. So it's A.

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Rearrange the equation so m is the independent variable.<br><br> 7m + 2 = 7n - 5

9966 [12]

Answer:

M = n - 1

Step-by-step explanation:

7m + 2 = 7n - 5

Group like terms

7m = 7n - 5 - 2

7m = 7n - 7

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4 years ago

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Find the focus of the parabola whose equation is y=1/8 x^2

Mama L [17]

Answer:

The focus is: $(0,2)$

Step-by-step explanation:

Given

$y = \frac{1}{8}x^2$

Required

Determine the focus

The focus of a parabola

$(x- h)^2 = 4p(y - k)$

is:

$(h,k+p)$

So, we have:

$y = \frac{1}{8}x^2$

Cross multiply

$8y = x^2$

Rewrite as:

$x^2 = 8y$

Rewrite as:

$(x - 0)^2 = 8(y - 0)$

Express 8 as 4 * 2

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By comparison with: $(x- h)^2 = 4p(y - k)$

$h = 0$ $p =2$ $k = 0$

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$(h,k+p) = (0,0+2)$

$(h,k+p) = (0,2)$

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3 years ago