Chapter 2: Q. 2.16 (page 105)
Classify the equation as a conditional equation, an identity, or a contradiction and then state the solution :
The equation is a contradiction. It has no solution.
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In the following exercises, find (a) the amount of discount and (b) the sale price.
Errol bought a skateboard helmet on sale at 40% off. The original price was $49.95.
Guillermo bought textbooks and notebooks at the bookstore. The number of textbooks was three more than twice the number of notebooks. He bought seven textbooks. How many notebooks did he buy ?
Classify the below equation as a conditional equation, an identity, or a contradiction, and then state the solution.
In the following exercises, use the Pythagorean theorem to find the length of the leg. Round to the nearest tenth if necessary.
Classify the below equation as a conditional equation, an identity, or a contradiction, and then state the solution.
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