OpenStax, Algebra and Trigonometry 2e §2.1 The Rectangular Coordinate Systems and Graphs · Exercise 56 · Geometry · Coordinate geometry
The Rectangular Coordinate Systems and Graphs · Exercise 56
Use your graphing calculator to input the linear graphs in the Y= graph menu.
After graphing it, use the 2^nd CALC button and 1:value button, hit enter. At the lower part of the screen you will see “x=” and a blinking cursor. You may enter any number for x and it will display the y value for any x value you input. Use this and plug in x = 0, thus finding the y-intercept, for each of the following graphs.
OpenStax, Algebra and Trigonometry 2e · §2.1 The Rectangular Coordinate Systems and Graphs · Exercise 56
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