Question

please help!! 1 medal and fan
What is the slope of a line perpendicular to line A?

7/4
-4/7
-7/4
4/7

https://rialto5819-ehs-pps.gradpoint.com/Resource/2146263,72F,0,0,0,0,0/Assets/testitemimages/geometry_a/parallel_and_perpendicular_lines/mc140-1.jpg

Answer 1

first find the slope of A

Answer 2

do you see the two points on A

(-7, 0) and (0, 4)

Answer 3

?

Answer 4

yes

Answer 5

use them to find slope
do u remember the slope formula ?

Answer 6

y=mx+b

Answer 7

nopes, when u have two points below is the formula :-

y2-y1
-----
x2-x1

Answer 8

ok

Answer 9

(-7, 0) and (0, 4)
x1 y1 x2 y2

Answer 10

plug them in the formula

Answer 11

4-0
----
0--7

Answer 12

4
--
7

Answer 13

thats the slope of line A

Answer 14

to get the slope of line thats perpendicular to A, simply flit it and multiply it with -1

Answer 15

0.57

Answer 16

1.75

Answer 17

slope of line perpendicular to line A = -7/4

Answer 18

thank you

Answer 19

look at options, so u knw that you can leave it in ratio form :)

Answer 20

alright