Question

Which numbers are solutions of the equation?|1/2x|=9
A. {18, –18}
B. {18, 18}
C. {–18, –11}
D. {18, –11}

Answer 1

1/2x = 9
multiply both sides 2/1 or 2
x = 18
1/2x = -9
now do the same for this.

Answer 2

so a?

Answer 3

Is it \[\Large \left| \frac{ 1 }{2x } \right|= 9\]or \[\Large \left| \frac{ 1 }{2 } x \right|= 9\]

Answer 4

Guessing the second one.

Answer 5

yes. it is a.