Question

Choose the last step in the given solution to the inequality 2x - 10 > 4x + 4.

2x - 10 > 4x + 4
-2x - 10 > 4
-2x > 14
-last step-

A. x > -7
B. x > 7
C. x < -7
D. x < 7

Answer 1

if you muliply an inequality by -1 the sign changes
a < b muliply by -1 we get -a>-b
Now you can solve

Answer 2

So its A

Answer 3

no you have to change the sign so the answer is c

Answer 4

Can you guys help me with another

Answer 5

yes firs you get -x > 7 the muliply with -1 to get x<-7

Answer 6

sure tag me in it

Answer 7

Hope you understood the concept!

Answer 8

Which of the following is not an equivalent form of the compound inequality

x + 18 less than or greater to 11 and x + 18 greater than or equal to 3

A. A number line with a closed circle on -15, shading to the left, and a closed circle on -7, shading to the right.

B. 11 greater than or equal to x + 18 greater than or equal to 3

C. -7 greater than or equal to x greater than or equal to -15

D, A number line with a closed circle on -15, a closed circle on -7, and shading in between.

Answer 9

so the two inequalities are
x+18>=3
.....r u sure u wrote out the first part right because i dont think there is a less then or greater than sign

Answer 10

x+18<=11 and x+18>=3 is that better?

Answer 11

yep soo....
for the first equation x<=-7 and second x>=-15 these both will have closed circles

Answer 12

Yes

Answer 13

so the final answer is A

Answer 14

Thank you i have so many of these questions thabks alot idk if you would like to help with more lol

Answer 15

sure np

Answer 16

Choose the correct description of the graph of the compound inequality

2x + 5 > 7 and 5x less than or greater to 25

A. A number line with an open circle on 1, shading to the left, and a closed circle on 5, shading to the right.

B. A number line with an open circle on 1, a closed circle on 5, and shading in between

C. A number line with a closed circle on 1, shading to the left, and an open circle on 5, shading to the right.

D. A number line with a closed circle on 1, an open circle on 5, and shading in between.


And this is the last

Choose the correct description of the graph of the compound inequality

x - 1 less than or greater to 9 or 2x greater than or equal to 24

A. A number line with an open circle on 10, shading to the left, and an open circle on 12, shading to the right.

B. A number line with a closed circle on 10, shading to the left, and a closed circle on 12, shading to the right.

C. A number line with an open circle on 10, an open circle on 12, and shading in between.

D. A number line with a closed circle on 10, a closed circle on 12, and shading in between.

Answer 17

so for the first problem .... 2x>2 so x>1 .... 5x<25 and 5x>25 so for these equations
x<5 and x>5

Answer 18

are you confused on what they are ? would you like me to clarify

Answer 19

yes please for the first one

Answer 20

Ok for the first one 2x + 5 > 7 and 5x<=25 is that better

Answer 21

yes much better also if you could do that for number 2 that would help alot...

Answer 22

No problem ok for number two it is \[x-1\le9 or 2x \ge24\]

Answer 23

2x>-2 so x>1 changes and x<=5 so it should be A for 1

Answer 24

x<=8 or x>=12 answer is B for 2

Answer 25

Thank you so much Ill post on a diff question for more if i need help thank youu :)

Answer 26

sure