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fomenos
1 year ago
13

Which equation represents a line that passes through (–2, 4) and has a slope of 2/5

Mathematics
2 answers:
labwork [276]1 year ago
6 0

Answer:

Step-by-step explanation:

y = 2/5x + p

We now that passes through (–2, 4)

 2/5 × (-2) + p = 4

⇔ -4/5 + p = 4

⇔ p = 4 + 4/5

⇔ p = 20/5 + 4/5

⇔ p = 24/5

⇒ y = 2/5x + 24/5

cupoosta [38]1 year ago
3 0

Equation of a line is given by y - y1 = m(x - x1); where m is the slope.

y - 4 = 2/5 (x - (-2))

y - 4 = 2/5 (x + 2)

Hope this helps! :)

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6.
user100 [1]

Answer:

A. y = –5x – 27

Step-by-step explanation:

Find the slope of the original line and use the point-slope formula  y − y 1 = m ( x − x 1 )  to find the line parallel to  y = − 5 x + 3 .

y = − 5 x − 27                           PARALLEL

...................................................................................................................................................

Find the negative reciprocal of the slope of the original line and use the point-slope formula  y − y 1 = m ( x − x 1 )  to find the line perpendicular to  y = − 5 x + 3 .

y = 1 /5 x + 21 /5                    PERPENDICULAR

7 0
2 years ago
Can you verify my answer?<br><br> I believe it's reflection.
Anna007 [38]
Yes i think it is reflection try reflection
4 0
3 years ago
Which of the following is the equation of a line perpendicular to the line y=-10×+1 passing through the point (5,7)
Juliette [100K]
Y = -10x + 1...slope here is -10. A perpendicular line will have a negative reciprocal slope. To find the negative reciprocal of a number, flip the number and change the sign. So our perpendicular line will need a slope of 1/10.

y = mx + b
slope(m) = 1/10
(5,7)....x = 5 and y = 7
now sub and find b, the y int
7 = 1/10(5) + b
7 = 1/2 + b
7 - 1/2 = b
14/2 - 1/2 = b
13/2 = b

so ur perpendicular line going thru (5,7) is y = 1/10x + 13/2
3 0
3 years ago
I need help I don’t get it plz help
makkiz [27]
D because it would 44 below since 4 times 7 = 28 so it would switch over for to 6 times 7 =44
4 0
3 years ago
Read 2 more answers
It's just a simple equation but the transversal has me stuck
alexgriva [62]

Answer:

x = 22

Step-by-step explanation:

∠VSR and ∠SRU are same- side interior angles and are supplementary, thus

5x + 4 + 44 + x = 180, that is

6x + 48 = 180 ( subtract 48 from both sides )

6x = 132 ( divide both sides by 6 )

x = 22

3 0
3 years ago
Read 2 more answers
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