Solving algebraic inequalities

[Elihu5991]

Homework Statement

Solve the following inequalities. Do each one algebraically then check your answers using your calculator's ability (Casio Classspad 330) to solve the inequalities and/or by viewing a suitable graph on your calculator.

Homework Equations

SEE IMAGE

The Attempt at a Solution

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[eumyang]

Your last check should read
10 + 5 \geq \frac{2(10 + 14)}{{\color{red} {10}}}
not
10 + 5 \geq \frac{2(10 + 14)}{{\color{red} 2}}

 

[Elihu5991]

Thank you so much! How could I miss it.

Is there anyway that I can thumbs-up/kudos/support in any way before I close the thread?