Question

Given: -7x < -21.

Choose the solution set.



{x | x < -3}

{x | x > -3}

{x | x < 3}

{x | x > 3}

Answer 1

divide by \(-7\) and flip the inequality

Answer 2

everytime you divide both sides by a negative number, the inequality sign will flip

everytime you multiply both sides by a negative number, the inequality sign will flip

Answer 3

For example:

\(\ -5x \ge 25\)

\(\ x \le 5\)

Answer 4

so D.?

Answer 5

@jim_thompson5910

Answer 6

correct