2 years ago

In the expression 12a+5, identify the coefficient

Mathematics

1 answer:

grandymaker [24]2 years ago

7 0

A coefficient is the number placed before the variable
a (the letter) is the variable
12 is the coefficient of a
12

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Answer:

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3 years ago

Darrin graphs the following inequality: y > -3x -5. Does the side of the line with all solutions (the shaded region) include

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Yes it does include the test point (0, 0)

equation: y > -3x -5

<h3>Find y-intercept:</h3>

y > -3(0) -5

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2 years ago

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3 years ago

Find the focus. y= -1/12 (x)² - 6

jolli1 [7]

Answer:

$\Large \boxed{\sf\ \ (0,-9) \ \ }$

Step-by-step explanation:

Hello,

We know that when the parabola equation is

$y=a(x-h)^2+k$

the vertex is (h,k) and the focus is

$(h,k+\dfrac{1}{4a})$

Here, the equation is

$y=-\dfrac{1}{12}x^2-6$

$a=-\dfrac{1}{12}\\\\h = 0\\\\k =-6$

So,

$k+\dfrac{1}{4a}=-6-\dfrac{12}{4}=-6-3=-9$

Then, the focus is

$\large \boxed{\sf\ \ (0,-9) \ \ }$

I attached the graph, included the focus so that you can see it :-)

Hope this helps.

Do not hesitate if you need further explanation.

Thank you

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3 years ago