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Katyanochek1 [597]
3 years ago
15

What would the equation be??​

Mathematics
1 answer:
makkiz [27]3 years ago
5 0

Answer:

y = 4x + 8

Step-by-step explanation:

Firstly, choose 2 points ( I chose [2,11] and [4,19] ) use y2-y1/x2-x1 to find your slope of 4, next use one of the points to find your y-intercept, plug the two coordinates into your equation to get 11 = 4 (2) + b , after simplifying, your answer is y = 4x + 8

Brainliest would be appreciated. :-)

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PLEASE HELP ASAP!!! CORRECT ANSWER ONLY PLEASE!!!
Kitty [74]

Answer:   (-2, 5) and (2, -3)

<u>Step-by-step explanation:</u>

Graph the line y = -2x + 1 (which is in y = mx + b format) by plotting the y-intercept (b = 1) on the y-axis and then using the slope (m = -2) to plot the second point by going down 2 and right 1 unit from the first point:

        y - intercept = (0, 1)            2nd point = ( -1, 1).

Graph the parabola y = x² - 2x - 3 by first plotting the vertex and then plotting the y-intercept (or some other point):

y = x^2-2x-3\quad \rightarrow \quad a=1,\ b=-2,\ c=-3\\\\\text{axis of symmetry:}\ x = \dfrac{-b}{2a}\ \longrightarrow \ x=\dfrac{-(-2)}{2(1)}=\dfrac{2}{2}=1\\\\\text{y-value of vertex:}\ f(1) = (1)^2-2(1)-3\quad \longrightarrow \quad y = 1 - 2 - 3=-4\\\\\text{y-intercept:}\ f(0)= (0)^2-2(0)-3\ \longrightarrow \ y=0 - 0 - 3 = -3 \\

         vertex = (1, -4)                2nd point (y-intercept) = (0, -3)


<em>see attached</em> - the graphs intersect at two points:  (-2, 5) and (2, -3)


8 0
3 years ago
Diego measured the length of a pen to be 21 cm. The actual length of the pen is 23 cm. Which of these is closest to the percent
Colt1911 [192]
B hope it helps you
4 0
3 years ago
a phone company offers two monthly plans. plan A costs 13 plus an additional 0.16 for each minute of calls. Plan B costs 24 plus
vladimir1956 [14]

Answer:

Let x represent number of calling minutes

Step-by-step explanation:

17 + .11x = 22 + .07x

      .04x = 5

         x = 5/.04  = 125 minutes, is the number of minutes the two plans cost the same

 17 + .11*125 = $30.75 is the cost when the two plans cost the same  

5 0
3 years ago
Venn diagrams in maths
OleMash [197]

Answer:

Step-by-step explanation:

5 0
2 years ago
the diagram shows the repairs performed on 2 types of cars compare the car types using the median and the mean
mash [69]

Answer:

The correct option is 2.

Step-by-step explanation:

The box plot represents the minimum value, first quartile , median, third quartile and maximum value.

From the box plot of Roadsters is it notices that

\text{Lower limit}=2

Q_1=3

Median=4

Q_3=5

\text{Upper limit}=9

From the box plot of Bandits is it notices that

\text{Lower limit}=2

Q_1=3

Median=4

Q_3=5

\text{Upper limit}=6

From the these information we can say that the median of both cars is same but bandit have lower mean because all four values of both cars is same but the upper limit of bandit is less.

Therefore option 2 is correct.

3 0
3 years ago
Read 2 more answers
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