APPENDIX A
Math Formulas Used in AV Design
How long has it been since you solved a word problem or used a math formula? Many CTS-D exam candidates have not done math in a formal setting in years. You may be familiar with the skills and tools in this appendix, but then again, you may need a refresher.
Most AV math formulas use only the four common operators: add, subtract, multiply, and divide. However, some formulas require a solid foundation in the order of operations. The order of operations helps you correctly solve formulas by prioritizing which part of the formula to solve first. It is a way to rank the order in which you work your way through a formula. This appendix will review and test your knowledge of applying the order of operations. ...
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