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Vika [28.1K]
2 years ago
11

What is the slope of a line containing points (2,-1) (3,5)

Mathematics
1 answer:
Kitty [74]2 years ago
8 0

Answer:

slope(m)=6

Step-by-step explanation:

(2 , -1)=(x1 , y1)

(3 , 5)=(x2 , y2)

use formula : y2 - y1/x2 - x1

=5-(-1)/3-2

=5+1/1

=6/1

=6

therefore slope of a line is 6.

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Help with this i dont understand
velikii [3]

Answer:

  a) 3/4

  b) 3/4

  c) 3/4

  d) all are 3/4

Step-by-step explanation:

The slope of a line is defined as the change in y divided by the change in x. This is often referred to as "rise over run":

  slope = Δy/Δx = "rise"/"run"

The triangles are drawn against the line so that you can use them to identify values of "rise" (vertical change) and "run" (horizontal change) between two points on the line.

__

<h3>a)</h3>

The slope of the segment AC is found by dividing the "rise" (BC = 3) by the "run"(AB = 4)

  slope of AC = BC/AB = 3/4

__

<h3>b) </h3>

The slope of FH is similarly computed. Here, it is made a little more difficult, because you must estimate the value of GH.

 slope of FH = GH/FG = 1.5/2 = 0.75 = 3/4

__

<h3>c) </h3>

The slope of CE is ...

  slope of CE = DE/CD = 6/8 = 3/4

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<h3>d)</h3>

The slopes in a), b), c) are all 3/4.

You can reasonably draw the conclusion that the slope of a line is the same everywhere. A line has constant slope.

3 0
2 years ago
Adding and subtracting polynomials
alex41 [277]

Answer:

just add hem NS AUBRACT

Step-by-step explanation:

5 0
2 years ago
How to find matrics M
makkiz [27]

\left[\begin{array}{ccc}9&7\\-4&2\end{array}\right] -4M=\left[\begin{array}{ccc}-3&3\\4&-18\end{array}\right]\qquad(*) \\\\M=\left[\begin{array}{ccc}a&b\\c&d\end{array}\right]\to4M=\left[\begin{array}{ccc}4a&4b\\4c&4d\end{array}\right]

(*)\qquad\left[\begin{array}{ccc}9&7\\-4&2\end{array}\right] -\left[\begin{array}{ccc}4a&4b\\4c&4d\end{array}\right]=\left[\begin{array}{ccc}-3&3\\4&-18\end{array}\right]\\\\\left[\begin{array}{ccc}9-4a&7-4b\\-4-4c&2-4d\end{array}\right]=\left[\begin{array}{ccc}-3&3\\4&-18\end{array}\right]\\.\qquad\qquad\qquad\qquad\ \ \ \Downarrow\\(_{11})\qquad9-4a=-3\ \ \ |-9\\-4a=-12\ \ \ \ |:(-4)\\a=3\\\\(_{12})\qquad7-4b=3\ \ \ \ |-7\\-4b=-4\ \ \ \ |:(-4)\\b=1

(_{21})\qquad-4-4c=4\ \ \ \ |+4\\-4c=8\ \ \ \ |:(-4)\\c=-2\\\\(_{22})\qquad2-4d=-18\ \ \ \ |-2\\-4d=-20\ \ \ \ \ |:(-4)\\d=5\\\\Answer:\ A.\ M=\left[\begin{array}{ccc}3&1\\-2&5\end{array}\right]

3 0
3 years ago
What is the volume a circular spray tank if it has a diameter of 5 feet and height of 7 feet
Sedbober [7]
V=hpir^2
d/2=r
5/2/2.5

h=7
V=7pi2.5^2
v=7pi6.25
V=43.75pi
aprox pi=3.141592
V=137.44465


V=43.75pi ft^3 or aprox 137.44465 ft^3

7 0
3 years ago
Find the difference in height between the top of a hill 973 feet high and a crack caused by an earthquake 79 feet below sea leve
mart [117]

Answer:

1052 feet

Step-by-step explanation:

973+|-79|=1052

6 0
3 years ago
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