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Marrrta [24]
3 years ago
6

Which graph represents the function y= 2x-4?sty すす0-3xits : :os : ;-32pr ftーVetーTT it tie。pttーT-it-T +--+-

Mathematics
2 answers:
liberstina [14]3 years ago
8 0
You have the y-intercept of -4. That means that the line will go through the point (0, -4). Choices B and C do that. Plug in 1 for x and find y.

y = 2x - 4

y = 2 * 1 - 4

y = 2 - 4

y = -2

In graph B, when x = 1, y = -3.5,  which is incorrect.

In graph C, when x = 1, y = -2

Graph C is the correct answer.

Sergio039 [100]3 years ago
4 0
Solutions 

You have been given the y-intercept of -4. The meaning of this is that the given line will go through the point (0, -4). Plug in 1 for x and find y.


y = 2x - 4

y = 2 * 1 - 4

y = 2 - 4

y = -2
<span>

</span>In graph C,=  x = 1, y = -2

<span>Graph C is the correct answer.</span>
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What is the solution to the system of equations y23x3 x 2
bija089 [108]

The Solution for the given system of equations is (-2) and (\frac{5}{3}).

The given are linear equations as follow:
y = \frac{2}{3}x + 3              .. ... ...(1)
and x  = -2.          .. .... ...(2)

We already know the first part of the solution (x) which is -2.  We can find the other part (y) by putting the value of equation (2) in equation (1).

By putting the values of x in equation (1), we get

y = (\frac{2}{3})(-2) + 3
y = \frac{-4}{3} + 3

Taking the L. C. M of denominators which will be '3', we get:

y = \frac{-4 + 9}{3}

y = \frac{5}{3}

So the second part (y) of the solution of the given equation is \frac{5}{3}.

Hence, the overall solution to the given system of equation is (-2, \frac{5}{3}).

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8 0
1 year ago
Is the open sentence 8 - 4x = 4x true or false when x=0
kvasek [131]

It is not true because if you add in 0 the equation would be 8-4(0)=4(0)

4x0 = 0

so it would be 8-0=0 which doesn't add up.

7 0
3 years ago
Read 2 more answers
5/6(-4 1/2)(-2 1/5) what is the answer
Goshia [24]

Answer:

8.25 is the answer.

Step-by-step explanation:

Hope this helps!

8 0
2 years ago
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Solve the system of equation by the addition method x-2y=11 and -x+6y =-31
Sonbull [250]

Answer: x = 1, y = - 5

Step-by-step explanation:

The given system of linear equations is expressed as

x - 2y = 11- - - - - - - - - - - - -1

- x + 6y = - 31- - - - - - - - - - - -2

We would eliminate x by adding equation 1 to equation 2. It becomes

- 2y + 6y = 11 - 31

4y = - 20

Dividing the the left hand side and the right hand side of the equation by 4, it becomes

4y/4 = - 20/4

y = - 5

Substituting y = - 5 into equation 1, it becomes

x - 2 × - 5 = 11

x + 10 = 11

Subtracting 10 from the left hand side and the right hand side of the equation, it becomes

x + 10 - 10 = 11 - 10

x = 1

3 0
3 years ago
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