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sladkih [1.3K]
2 years ago
11

Which table was created using the equation y = 2x-1? PLEASE HELP!! QUICKLY

Mathematics
2 answers:
Shalnov [3]2 years ago
6 0

Answer:

A

Step-by-step explanation:

Plug the values into the equation

Ostrovityanka [42]2 years ago
6 0

Option A is the correct answer.

If you look at the x and y values in table D, you’ll see that the change in y values is +2, while the change in x values is +1. Thus, the slope is 2/1 or 2.

Another way to look at it is by solving for the slope:

Using coordinates: (3, 5) (4 ,7):

Let x1 = 3

x2 = 4

y1 = 5

y2 = 7

m = \frac{(y_{2} - y_{1}) }{(x_{2} - x_{1}) }

m = \frac{7 - 5}{4 - 3} = \frac{2}{1} = 2

Therefore, the slope (m) = 2.

For the y-intercept, (b): it is the value of y when x = 0.

Let x = 0:

y = mx + b

y = 2(0) -1

y = -1

Therefore, the y-intercept is -1, which is also included in the given equation.

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Find the domain and range of the relation. {(−8,−4),(15,14),(−2,15),(14,−11),(19,−19)}
slega [8]

Domain = {-8,15,-2,14,19}

Range = {-4,14,15,-11,-19}

Step-by-step explanation:

When a function is given in the form of a relation containing ordered pairs

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Given relation is:

{(−8,−4),(15,14),(−2,15),(14,−11),(19,−19)}

We have to combine the first elements of each ordered pair to make the domain set and second element of each ordered pair to make the range set.

So,

Domain = {-8,15,-2,14,19}

Range = {-4,14,15,-11,-19}

Keywords: sets, domain, range

Learn more about sets at:

  • brainly.com/question/4168505
  • brainly.com/question/4228574

#LearnwithBrainly

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