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Rasek [7]
3 years ago
15

Which equation represents the graphed function?

Mathematics
1 answer:
Nutka1998 [239]3 years ago
4 0

y = -2x + 3

in the equation y = mx + b, the m represents the slope and b represents the y-intercept

remember that slope is rise over run:

   starting from the point (1, 1) you rise 2 up and go over left 1 to reach the second point shown (0, 3).

   add a negative sign to show the negative downward slope, and the m in the equation would be -2

the y-intercept is just where the line hits the y-axis, or when the x in the ordered pair is 0. In this graph, one of the points given is (0, 3) so 3 is the y intercept

just plug all that into y = mx + b

m, the slope, is -2 and b, the y- intercept, is 3.

y = -2x + 3 is your answer

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As the number of pages in a photo book increases, the price of the book also increases. There is an additional shipping charge o
BartSMP [9]

Let the maximum number of pages Jennifer can have be = x

Amount Jennifer has (P) = $62.10

Given equation is :

P = (20+0.5x)+0.15(20+0.5x)

Price is given = 62.10 , so equation is :

62.10=(20+0.5x)+0.15(20+0.5x)

62.10=20+0.5x+3+0.075x

62.10=23+0.575x

0.575x=39.10

x=68

Hence, Jennifer can have a maximum of 68 pages in her book.

5 0
3 years ago
Goodmorning hope you have a great day :)
zalisa [80]

Answer:

hello good morning.have a nice day

6 0
2 years ago
Read 2 more answers
Examine the system of equations. y = 4x + 8, y = 4x – 1 Which statements best describe the two expressions? Check all that apply
Lerok [7]

Answer:

The correct statements are as follows;

1. They have different y-intercepts

2. The substitution method results in false statement 8 = -1

3. There is no solution

Step-by-step explanation:

Here, we want to select the statement that best describes the equations

The equation for a straight line is generally;

y = mx + b

m is slope and b is the y-intercept

slope of both is same ; 4

So first assertion is wrong

they have different y-intercepts

First y-intercept is 8, second is -1

This is correct

The third statement is correct too

if we equated both y;

4x + 8 = 4x -1

We shall have 4x canceled out and left with 8 = -1

(8,-1) is not a solution

There is no solution is correct because after substituting, we have 8 = -1 which is not correct and also impossible

7 0
3 years ago
If the mean is 7, what is the total amount?
tatuchka [14]

Answer:

mean if 7

Step-by-step explanation:

the mean is 7

3 0
3 years ago
Does the table represent a linear relationship (3,15) (9,45) (21,105) why or why not?
Tasya [4]
Sysydystistisitw58w58w693636e59e5969e69
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