Chapter 1: Q. 3 (page 23)
The points, if any, at which a graph crosses or touches the
coordinate axes are called ___________.
Short Answer
The points, if any, at which a graph crosses or touches the
coordinate axes are called intercepts.
Chapter 1: Q. 3 (page 23)
The points, if any, at which a graph crosses or touches the
coordinate axes are called ___________.
The points, if any, at which a graph crosses or touches the
coordinate axes are called intercepts.
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On a real number line the origin is assigned the number _________ .
Which form of the equation of a line do you prefer to use? Justify your position with an example that shows that your choice is better than another. Have reasons.
A cereal company finds that the number of people who will buy one of its products in the first month that it is introduced is linearly related to the amount of money it spends on advertising. If it spends \(40,000 on advertising, then 100,000 boxes of cereal will be sold, and if it spends \)60,000, then 200,000 boxes will be sold.
(a) Write a linear equation that relates the amount A spent on advertising to the number x of boxes the company aims to sell.
(b) How much advertising is needed to sell 300,000 boxes of cereal?
(c) Interpret the slope.
In Problem 17-36, solve each equation algebraically. Verify your solution using a graphing utility.
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