Question

write an equation for the line perpendicular to the given line that contains p.
P(1,1); y=4x+3

Answer 1

slope of
\[\huge y=\color{blue}mx+b\] is \[\huge \color{blue}m\]
what is the slops of
\[y=4x+3\]?

Answer 2

4

Answer 3

would it be y-1=4(x-1)

Answer 4

ok good
now the "perpendicular" line has a slope that is the negative recrocal
\[\huge -\frac{1}{\color{blue}m}\]

Answer 5

"reciprocal"

Answer 6

what is the slope of the perpendicular line?

Answer 7

i mean the slope would be -1/4

Answer 8

right, so
\[y-1=-\frac{1}{4}(x-1)\] is a start

Answer 9

is that all i need?

Answer 10

What do you think?
The above equation is one form of the desired line.
You could solve this equation for y and end up with the slope-intercept form.

Answer 11

the instructions don't say to put in y intercept it just says to leave it! thank you very much !

Answer 12

satellite knows the following:
The slope (m) x the perpenicular slope(1/m) = -1
its a basic rule in maths.

Answer 13

If you have \[y-1=-\frac{1}{4}(x-1)\] we say this equation is in point-slope form.
Were you to solve for y, you'd get the equivalent equation in slope-intercept form. (You don't "put in y intercept;" rather you IDENTIFY the y-intercept as the constant term on the right: y = mx + b (b is the y-intercept).

Answer 14

Write the equation of a line parallel to the given line but passing through the given point.

Answer 15

Write the equation of a line parallel to the given line but passing through the given point.

Answer 16

Parallel and Perpendicular Lines:

1. Write the equation of the line which passes through (5, –2) and is parallel to x = 4.

Answer 17

Parallel and perpendicular lines help please! 10 questions fan + medal
1. Construct the line perpendicular to TU at point V.

Answer 18

Guys can someone please help me, I'm struggling on this.
I need help ASAP, I will give a medal to the best answer.

Answer 19

I need help ASAP, I will give a medal to the best answer.
Draw a line that makes both the x and y axis.

Answer 20

I need help ASAP, I will give a medal to the best answer.
Draw a line that makes both the x and y axis.

Answer 21

fan & medal !
1.The equation of line CD is (y−3) = − 2 (x − 4). What is the slope of a line perpendicular to line CD?
2.

Answer 22

1. Write the slope-intercept equation of the line perpendicular to y = 5/2 x - 2, which passes through the point (0, 2).

Answer 23

I need help with the following problems:

1.) Write the equation of the horizontal or vertical line: (3, -4), slope is undefined

2.

Answer 24

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Answer 25

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Answer 26

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Answer 28

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Answer 29

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Answer 30

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Answer 31

tmp

Answer 32

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Answer 33

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Answer 34

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Answer 35

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