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yanalaym [24]
3 years ago
12

Slope=-7​, through ​(-3​,2​)

Mathematics
1 answer:
shutvik [7]3 years ago
6 0

Answer:

<u>Final equation: y = -7x -19 </u>

Step-by-step explanation:

You are looking for slope intercept correct?

Formula: y = mx + B

Y = y-value of point ( coordinates )

M = slope

X = x - value of point ( coordinates )

B = Y - intercept

Equation:

2 = -7(-3) + B

2 = 21 + B

-21 = -21 = B

------------------

-19 = B

Final equation: y = -7x -19

Unless if it asks you to plug back the numbers for anything else then you do that but this is how you get slope intercept.

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What is value of <br> 6x6x6x6x6x6x6=6x
pychu [463]

Answer:

46656

Step-by-step explanation:

6x6x6x6x6x6x6 can be written in its index form as 6⁷

6x = 6⁷

6x = 279936

Applying change of subject formula, divide both sides of the equation by 6

6x/6 = 279936/6

x = 46656

8 0
3 years ago
Read 2 more answers
What is the equation of the line that has a slope of 3 and passes through the point (1, -2)
DochEvi [55]

Answer:

y= 3x -5

Step-by-step explanation:

The equation of a line can be written in the slope- intercept form, y= mx +c (where m is the slope and c is the y- intercept).

Given that the slope is 3, m= 3. Substitute m= 3 into the equation.

y= 3x +c

To find the value of c, substitute a pair of coordinates into the equation.

When x= 1, y= -2,

-2= 3(1) +c

-2= 3 +c

c= -2 -3

c= -5

Thus the equation if the line is y= 3x -5.

5 0
3 years ago
What is the equation of a quadratic graph with a focus of (-4,17/8) and a detric of y=15/8 answer
Nonamiya [84]

keeping in mind that the vertex is between the focus point and the directrix, in this cases we have the focus point above the directrix, meaning is a vertical parabola opening upwards, Check the picture below, which means the "x" is the squared variable.

now, the vertical distance from the focus point to the directrix is \bf \cfrac{17}{8}-\cfrac{15}{8}\implies \cfrac{2}{8} , which means the distance "p" is half that or 1/8, and is positive since it's opening upwards.

since the vertex is 1/8 above the directrix, that puts the vertex at \bf \cfrac{15}{8}+\stackrel{p}{\cfrac{1}{8}}\implies \cfrac{16}{8}\implies 2 , meaning the y-coordinate for the vertex is 2.

\bf \textit{vertical parabola vertex form with focus point distance} \\\\ 4p(y- k)=(x- h)^2 \qquad \begin{cases} \stackrel{vertex}{(h,k)}\qquad \stackrel{focus~point}{(h,k+p)}\qquad \stackrel{directrix}{y=k-p}\\\\ p=\textit{distance from vertex to }\\ \qquad \textit{ focus or directrix}\\\\ \stackrel{"p"~is~negative}{op ens~\cap}\qquad \stackrel{"p"~is~positive}{op ens~\cup} \end{cases} \\\\[-0.35em] ~\dotfill

\bf \begin{cases} h=-4\\ k=2\\ p=\frac{1}{8} \end{cases}\implies 4\left(\frac{1}{8} \right)(y-2)=[x-(-4)]^2\implies \cfrac{1}{2}(y-2)=(x+4)^2 \\\\\\ y-2=2(x+4)^2\implies \blacktriangleright y = 2(x+4)^2+2 \blacktriangleleft

7 0
3 years ago
Which drawing wouldn’t be useful to find the area of this trapezoid? and why ?
Citrus2011 [14]

Answer:

C

Step-by-step explanation:

Though you may think that u can change that piece to there, but the possibility is very less

8 0
3 years ago
Find the solution of the system of equations.<br><br> -x+2y=-15<br> 8x-2y=-20
Grace [21]

Answer:

the answer is (-5,-10)

hope this helps :)

8 0
3 years ago
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