Chapter 1: Q. 9 (page 23)
True or False :
The y-coordinate of a point at which the
graph crosses or touches the x-axis is an x-intercept.
Short Answer
The given statement is False .
Chapter 1: Q. 9 (page 23)
True or False :
The y-coordinate of a point at which the
graph crosses or touches the x-axis is an x-intercept.
The given statement is False .
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Get started for freePlot the points and . Describe the set of all points of the form , where x is a real number.
If two distinct lines have the same
intercept, but different slopes, can they have the same -intercept?
True or false The point is on the line.
Plot each pair of points and determine the slope of the line containing them. Graph the line by hand.
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.
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