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Alex17521 [72]
3 years ago
5

What is the equation of the line that passes through the point (4,−7) and has a slope of -1/2?

Mathematics
2 answers:
Ksenya-84 [330]3 years ago
7 0

Answer:

y = -1/2 x - 5

Step-by-step explanation:

y = mx + b

m = slope = -1/2

y = -1/2 x + b

-7 = -1/2 * 4 + b

-7 = -2 + b

b = -5

y = -1/2 x - 5

jarptica [38.1K]3 years ago
6 0

Step-by-step explanation:

y = -0.5x + c

When x = 4, y = -7.

=> (-7) = -0.5(4) + c, c = -5.

Therefore the equation is y = -0.5x - 5.

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hichkok12 [17]

Answer:

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Step-by-step explanation:

8 0
2 years ago
Given the following functions, find the indicated values.
allsm [11]

Answer:

A. f(-2)=3-6(-2)

-2f =3-(-12)

-2f=3+12

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divide both sides by 2

f=15/2

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f=3

C.f(4)=3-6(4)

4f=3-24

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5 0
3 years ago
9:37 pm is how<br> many minutes<br> after 9.08 pm?
artcher [175]

Answer:

29 is the answer

Step-by-step explanation:

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4 0
3 years ago
Read 2 more answers
Im confused, can someone help?
Bumek [7]
Well, the y-intercept is represented by B. So b would be the dot crossing the y-axis in each graph (which you already circled). Next, the slope for top left is: -1.5, top right is: -1.7, bottom left is: 3, and bottom right is: 1.33. I got those by using this very helpful website named Desmos. Now, I’m order to write the equation for each graph is very simple, all you have to do is put in the slope and y-intercept into the equation. For example, the top left one would be:
y = -1.5x + 4 since we know that the slope is equal to -1.5 and the y-intercept is equal to 4. Hope this helps :)
8 0
3 years ago
Write a polynomial function of minimum degree with real coefficients whose zeros include those listed. Write the polynomial in s
Jobisdone [24]

Answer:

f(x)=x^4-9x^2-50x-150

Step-by-step explanation:

Let f(x) be the polynomial function of minimum degree with real coefficients whose zeros are 5, -3, and -1 + 3i be f(x).

By the complex conjugate property of polynomials, -1-3i is also a root of this polynomial.

Therefore the polynomial in factored form is f(x)=(x-5)(x+3)(x-(-1+3i))(x-(-1+3i))

We expand to get:f(x)=(x^2-2x-15)(x^2+2x+10)

We expand further to get:\

f(x)=x^4-9x^2-50x-150

3 0
3 years ago
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