Question

Which correctly describes how the graph of the inequality 4x - 2y > 20 is shaded?

Above the solid line

Below the solid line

Above the dashed line

Below the dashed line

Answer 1

first, solve the inequality for y

Answer 2

I'm not to sure on how to exactly do that. @TuringTest

Answer 3

I would start by adding 2y to each side

Answer 4

Okay so I add the 2y to what side exactly

Answer 5

to both sides\[\begin{array}4x& - 2y& >& 20\\&+2y&&&+2y\\\hline\end{array}\]

Answer 6

How would I solve this ?

Answer 7

well on the left you are adding 2y to -2y
what is 2y-2y ?

Answer 8

2y-2y =y

Answer 9

no\[2y-y=y\]

Answer 10

4y

Answer 11

\[2y+2y=4y\]

Answer 12

you just add or subtract the coefficients\[\color{red}2y+\color{red}2y=\color{red}4y\]

Answer 13

for example\[\color{red}2y+\color{red}3y=\color{red}5y\\\color{red}5y-\color{red}2y=\color{red}3y\\\color{red}2y-\color{red}1y=\color{red}1y\]so what is \[\color{red}2y-\color{red}2y\]

Answer 14

-4y

Answer 15

you there?

Answer 16

no, that would be\[-\color{red}2y-\color{red}2y=-\color{red}4y\]

Answer 17

just look at the coefficients (the red numbers)\[\color{red}2y-\color{red}2y\\\color{red}2~~-\color{red}2\]

Answer 18

0

Answer 19

So, would it be, Below the Dashed Line ?

Answer 20

Someone please Help!

Answer 21

shade below the line if y is less than the other side

Answer 22

Okay, so I already know that it is below the line,m but is it a dashed line?

Answer 23

is it just < or >

Answer 24

>

Answer 25

so dashed line

Answer 26

if it was ≥ then a solid line

Answer 27

oh okay, well thanks! Can you help me with some more please?

Answer 28

not really i gtg

Answer 29

okay but thanks!

Answer 30

yw :)