Question

all real numbers that are less than -3 or greater than or equal to 5.
A. x<-3 or x>=5
B. x<5 or x>=-3
C. x<= -3 or x > 5
D. x <= -3 or x <=5

Answer 1

A seems right!

Answer 2

Do you understand the notation?

Answer 3

how do u figure something like this out though?

Answer 4

x<-3 is another way of saying less then -3

x>=5 is another way of saying greater (OR equal) to 5

Answer 5

the symbol ">" is a greater then symbol

the symbol "<" is a less then symbol

Answer 6

Its basically going from common language to mathematical language

Answer 7

im confused.... :/ im sorry my brain and math dont go good can u explain just a little better like okay how do i know what x equals to?

Answer 8

so here x is not one number, it can be a range of numbers.

Answer 9

what grade level do you need this for?

Answer 10

9th

Answer 11

im in algebra 1 .-.

Answer 12

OK so basic algebra type of problem

Answer 13

So normally you have a some like x=3x +3 and you can solve for x. Here x can be RANGE of numbers defined by 'greater than' and 'less than'

Answer 14

Conversely you can define what x is NOT

Answer 15

this should be posted in math not in biology

Answer 16

this is also true

Answer 17

oh i didnt notice i was in biology ahaha

Answer 18

please post in math

Answer 19

u were helping me with math so nicely i didnt notice

Answer 20

these problems are what are referred to as inequalities. Here is a good reference site: http://www.sosmath.com/algebra/inequalities/ineq01/ineq01.html

Answer 21

thanks
:)

Answer 22

and the answer is a btw simple math when u do IADA and have the highest grade