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qaws [65]
3 years ago
8

What is the equation of this line? Please Help Y=4x Y=-1/4x Y=-4x Y=1/4x

Mathematics
1 answer:
Sveta_85 [38]3 years ago
7 0

Answer: Y=-1/4x

Step-by-step explanation:

A good way to find an equation of a line is to look for the slope. An obvious spot on this line would be when it crosses (0,0), and another one to the right would be when it crosses at (4,-1).

The slope is rise over run, or if we use the two points we found, "rise" would be -1, because it's dropping 1 unit when going from (0,0) to (4,-1), and the "run" would be 4, because it moves to the right 4 from (0,0) to (4,-1).

Putting these two values together we get:

m (slope) = rise / run

m = -1 / 4

Out of all the equations we're given, we can look for the one with a slope of -1/4, which is given to us:

y = (-1/4)x

You might be interested in
What is the y-intercept of the graph of the following data? a (-1, 0) b (0, 3) c (0, -3) d (1, 6).
Gelneren [198K]

Answer:

b

Step-by-step explanation:

The y- intercept is the point on the y- axis where the graph crosses.

On the y- axis the x- coordinate is always zero.

From the table when x = 0 , y = 3, thus

(0, 3 ) is the y- intercept → b

4 0
3 years ago
The amount Q of water emptied by a pipe varies directly as the square of the diameter d. A pipe 5 inches in diameter will empty
Wittaler [7]

Answer:

Q= 8

The amount emptied is 8 gallons of water

Step-by-step explanation:

First we need to create the equation for the above statement.

Q is directly proportional to the square of d

Q= kd²

Q= 50

d= 5

50= k5²

50 = k25

K = 50/25

K = 2

K is the constant of proportionality.

Now our equation is

Q= 2d²

Where Q = volume in gallons

d = pipe diameters in inch

For a pipe of diameter 2 inch

The amount of gallons of water emptied assuming the same kinf of flow is

Q= 2d²

Q= 2(2)²

Q= 2(4)

Q= 8

The amount emptied is 8 gallons of water

5 0
3 years ago
Judy got 27 546 points and 34 668 points in the first two rounds of a
Misha Larkins [42]

Answer:

<h2><em><u>62</u></em><em><u> </u></em><em><u>214</u></em></h2>

Step-by-step explanation:

<em><u>Given</u></em><em><u>,</u></em>

Points got by Judy in 1st round = 27 546

Points got by Judy in 2nd round = 34 668

<em><u>Therefore</u></em><em><u>, </u></em>

Total points Judy got in the first two rounds

= 27 546 + 34 668

= <em><u>62 214 (Ans)</u></em>

6 0
2 years ago
If y varies jointly as x and x = 33 when y = 22, find x when y = 32
expeople1 [14]

Answer:

answer is 43

Step-by-step explanation:

5 0
3 years ago
X | Y<br> 5 | 0<br> 6 | -2<br> 7 | 10<br> 8 | -3<br><br> What is the <br> D=<br> R=<br> Function ?
Volgvan
D=-5
R=7 thats the answer to your question
5 0
3 years ago
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