Question

Which of the following is not a way to represent the solution of the inequality 2x + 1 >= 19?

x >= 9

9 <= x

A number line with a closed circle on 9 and shading to the right.

A number line with a closed circle on 9 and shading to the left.

Answer 1

either b or d

Answer 2

and why do you say that ?

Answer 3

cause final answer is x <= 9

Answer 4

after you flip the inequality sign

Answer 5

why will you flip it ? why cant it be x>= 9 ?

Answer 6

you have to flip the inequality sign if you divide by any number for the equation to make sense

Answer 7

any no. you say hmm ??

well,,you make a conceptual mistake..
the inequality changes only when you multiply/divide by a negative no. ,,2 ,as we all know,,is a +ve no..

Answer 8

ok