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2 years ago

What is an equation of the line that passes through the points (-4, -2) and (8, 1)? Put your answer in fully reduced form.

Mathematics

1 answer:

Alexxx [7]2 years ago

8 0

Answer:

y=1/4x-1

Step-by-step explanation:

m=(y2-y1)/(x2-x1)

m=(1-(-2))/(8-(-4))

m=(1+2)/(8+4)

m=3/12

m=1/4

y-y1=m(x-x1)

y-(-2)=1/4(x-(-4))

y+2=1/4(x+4)

y=1/4x+4/4-2

y=1/4x+1-2

y=1/4x-1

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Pq lies on plane PQR. Point S lies on plane PQR. qs does not lie on plane PQR. Which two statements contradict each other?

Vinil7 [7]

Answer c: 2 and 3

Of course Q is on plane PQR. If S is as well, then QS is as well.

8 0

2 years ago

What is the image of (-9,0) after a reflection over the line y=x

SpyIntel [72]

Answer:

(0,-9)

Step-by-step explanation:

The image of a point $(x,y)$ over a line $y=x$ is given by the co-ordinate rule:

$(x,y)$ → $(y,x)$

So, when we reflect a point over the line $y=x$ , the x co-ordinate and y co-ordinate change their places.

Here, $(x,y)$ is $(-9,0)$ . So, from the above rule, after reflection over the line $y=x$ , the image has the following co-ordinates:

$(0,-9)$

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2 years ago

Slope of 1,-7 and -3-4

3241004551 [841]

$\large \mathfrak{Solution : }$

Slope of the given line is :

$\dfrac{y_2 - y_1}{x_2 - x_1}$

where ,

$x_2 = 1$

$x_1 = - 3$

$y_2 = - 7$

$y_1 = - 4$

let's solve :

$\dfrac{ - 7 - ( - 4)}{1 - ( - 3)}$

$\dfrac{ - 3}{4}$

Slope = -3 / 4

4 0

2 years ago

1/2(8-x)=10<br> A.12<br> B.3<br> C.-12

Murljashka [212]

4-1/2x=10
-1/2x=6
3
so your answer would be B
hope that helps

7 0

2 years ago

Help i'll give 20points

saul85 [17]

Step-by-step explanation:

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423+12=435

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7985+23=8008

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2 years ago