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Anettt [7]
1 year ago
5

Does anyone know the equation to this

Mathematics
1 answer:
alexandr402 [8]1 year ago
4 0
The equation is y=5x-9
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20 POINTS PLEASE ANSWER ASAP What is the equation for the line? Enter your answer in the box.
pogonyaev

Answer: y= -2x - 4

Step-by-step explanation:

This is a straight line, so it can be expressed by y = mx + c.

Here c is y-intercept, which means where line cuts the y-axis. We can see from the graph that the line cuts the y-axis at -4.

So, c = -4.

m is slope.

Use slope formula to find m.

m = ( -4 - 0 ) / ( 0 -(-2))

m = -4 / 2

m = -2

Now put values into this equation

y = mx + c

y = -2x - 4

7 0
2 years ago
PLEASE HELP ME I NEED IT QUICK I WILL GIVE BRAINLIEST
hodyreva [135]

Answer:

The slope of function A is 2 times the slope of function B.

Step-by-step explanation:

In function A, every-time the input goes up 1 the output will also go up one. In function B, every time the input goes up by 1, the output goes up by two. Therefore, the slope of function A is 1 but the slope of function B is 1/2.

1/2*2=1

7 0
3 years ago
Find f^-1(x) if f(x)=2x+1
weeeeeb [17]

Answer:

x^2+x+c

Step-by-step explanation:

4 0
3 years ago
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Use the substitution method to solve the system of equation.choose the correct ordered pair.
Reika [66]

Answer:

x=8 and y=2

Step-by-step explanation:


6 0
3 years ago
Scores on a college entrance examination are normally distributed with a mean of 500 and a standard deviation of 100. What perce
Alla [95]

Answer:

The percentage is P(350 <  X  650 ) = 86.6\%

Step-by-step explanation:

From the question we are told that

   The population mean is  \mu  =  500

     The standard deviation is  \sigma  =  100

The  percent of people who write this exam obtain scores between 350 and 650    

    P(350 <  X  650 ) =  P(\frac{ 350 -  500}{ 100}

Generally  

               \frac{X -  \mu }{\sigma }  =  Z (The \  standardized \  value \ of  \  X )

   P(350 <  X  650 ) =  P(\frac{ 350 -  500}{ 100}

   P(350 <  X  650 ) =  P(-1.5

   P(350 <  X  650 ) =  P(Z < 1.5) -  P(Z <  -1.5)

From the z-table  P(Z <  -1.5 )  =  0.066807

   and P(Z < 1.5  ) =  0.93319

=>    P(350 <  X  650 ) =  0.93319 -  0.066807

=>  P(350 <  X  650 ) = 0.866

Therefore the percentage is  P(350 <  X  650 ) = 86.6\%

3 0
3 years ago
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