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PSYCHO15rus [73]
3 years ago
10

Write an equation of the line parallel to y=8x-1 that contains the point (-6,2)

Mathematics
2 answers:
s2008m [1.1K]3 years ago
5 0
Parallel lines have the same slope so you use the 8 from the equation and plug in with your points to point slope form equation 

Charra [1.4K]3 years ago
4 0

Answer:

y=8x+50

Step-by-step explanation:

We are looking for the same line but with a different y-intercept.

Equation of a line in its Slope–intercept form is given by:

y=mx+b

Where:

m=slope\\b=y-intercept

We know the slope which is the same of the line:

y=8x-1

So:

m=8

And we know a point:

(x_o,y_o)=(-6,2)

Let's find the equation of the line parallel to y=8x-1 using the data provided and the next equation:

y-y_o=m(x-x_o)\\\\y-2=8(x-(-6))\\\\y-2=8x+48\\\\y=8x+50

Now let's verify the result.

First, does it contains the point (-6,2)?

Evaluate the function for x=-6:

y=8(-6)+50\\\\y=-48+50\\\\y=2

Second, is it parallel to y=8x-1?

Try to solve the 2x2 system of equations:

8x-y=1\hspace{3}(1)\\8x-y=-50\hspace{3}(2)

Using elimination method:

(1) - (2)

8x-8x-y-(-y)=1-(-51)\\\\0=-51

The system has no solutions. Hence the lines are parallel.

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Describe the set of all points of the form (2 y) where y is a real number
melisa1 [442]

Answer:

Following are the answer to this question:

Step-by-step explanation:

In the given-question, the information is missing. first, we declare the missing information, after that we define its solution:

Missing information:

plotting the Points  (2, 0), (2, 4), (2, 1), and (2, -1).

solution:

please find the attachment.

In the given attachment file, all the points lie within the same line, which indicates its points, and the set may be interpreted throughout the form of (2,y), or even the points may also be placed on the line x=2.

5 0
3 years ago
Identify the two tables which represent quadratic relationships
madam [21]

Answer:

Option (4) and Option (5)

Step-by-step explanation:

By calculating the second difference, if the second difference in a table is equal, table will represent the quadratic relationship.

In the given option, we analyze that table given in Option (4) will represent the quadratic relationship.

x             y             Ist difference (y_2-y_1)         IInd difference

0            4                      -                                             -

1            -4             -4 - (4) = -8                                     -    

2           -4             -4 - (-4) = 0                              0 - (-8) = 8

3            4              4 - (-4) = 8                                  8 - 0 = 8

Second difference of the terms in y are the same as 8.

Therefore, table of Option (4) represents the quadratic relationship.

Similarly, in Option (5) we will calculate the second difference of y terms.

x            y            Ist difference     IInd difference

0          -4                    -                            -

1           -8             -8 - (-4) = -4                 -

2          -10           -10 - (-8) = -2        -2 - (-4) = 2      

3          -10           -10 - (-10) = 0        0 - (-2) = 2

Here the second difference is same as 2.

Therefore, table of Option (5) will represent the quadratic relationship.

6 0
3 years ago
Please help. Question is in the picture
kumpel [21]
Number 4: line XZ; number 5: theory of congruent triangles.
4 0
3 years ago
Blue is sus vote him out<br><br>#BlueIsImposter<br>or #Idiot
taurus [48]
Blue was not the imposter.
8 0
2 years ago
The scale of a model train is 1 inch to 13.5 ft. One of the cars of the model train is 5inches long. What is the length in feet
aleksklad [387]

Answer:

The length of the actual train's car is <u>67.5 feet.</u>

Step-by-step explanation:

Given:

The scale of a model train is 1 inch to 13.5 ft.

Now, to get the length of the actual car of the train.

Let the length of actual train's car be x.

And, the length of the car of model train = 5\ inches\ long.

<em>According to the scale of the model train, 1 inch is equivalent to 13.5 ft. </em>

<em>Thus, 5 inches is equivalent to </em>x.<em />

Now, to get the length of actual train's car using cross multiplication method:

\frac{1}{13.5} =\frac{5}{x}

By cross multiplying we get:

x=67.5\ feet.

Therefore, the length of the actual train's car is 67.5 feet.

7 0
3 years ago
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