Question

Which answer is NOT a solution for this inequality?


7x < 42

A. 3
B. 6
C. 4
D. 5

Answer 1

@mathmale

Answer 2

Plug in the values, and if it's less than 42 those are solutions if they're not then it is not

Answer 3

For example, lets take A) 3
\[7(3) <42 \implies 21<42 \checkmark\]

Answer 4

Confused? How does one "plug" in the values. @Astrophysics

Answer 5

multiply 7 by all of the numbers

Answer 6

You're given values in your options for x

Answer 7

You can test them all by plugging it in for x

Answer 8

7 x 6 = 42. So 6 is not correct.

Answer 9

Right :)

Answer 10

so your answer is B
Do you understand now

Answer 11

Thank you! :)

Answer 12

Yes I do, and \(\Large\cal\color{gold}{Welcome~}\color{red}{To~}\color{purple}{Openstudy!}\) @LuvMe4Life033

Answer 13

Thanks :)