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frozen [14]
3 years ago
6

Find an equation of the line that passes through the point (2, -8) and is perpendicular to the line 2x-6y=10

Mathematics
1 answer:
OLEGan [10]3 years ago
8 0

9514 1404 393

Answer:

  3x +y = -2

Step-by-step explanation:

First of all, it is helpful to put the given equation in standard form. We can do that by dividing it by 2 to eliminate the common factor from the numbers.

  x -3y = 5

Next, since you want the perpendicular line, you can swap the coefficients of x and y, and negate one of them. This can give you ...

  3x +y = (some constant)

The constant will be found using the given point.

  3x +y = 3(2) +(-8) = -2 . . . the perpendicular line

An equation is ...

  3x +y = -2

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Relate a vertical line test to understanding functions.
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Answer:

c.

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Step-by-step explanation:

We know that a vertical line test is done to test whether the graph or the given relation  is a function or not and it  states that:

Each vertical line parallel to the co-domain drawn on a graph will intersect the graph exactly once.

i.e. there is a unique image of each pre-image.

Hence, option: C is the correct answer.

c.

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6 0
3 years ago
Solve the system of equations using >>the Substitution Method<<
dolphi86 [110]
HELLO...!!!

\begin{cases}&y=2x+4\\&3x+y=9\end{cases}


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6 0
3 years ago
Use the distributive property to write an experssion that is equalent to 7(3x-4)
photoshop1234 [79]

Answer:

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Step-by-step explanation:

the distributive property states that a(bx+c) is equal to abx+ac. in this expression, a is 7, b is 3, and c is negative 4. ab is 7*3, which is 21, so abx is 21x. ac is 7*-4, which is -28. combining these two results in 21x-28.

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Sergio039 [100]

Answer:

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