
Slopes and Lines
... Indicate whether each line has a positive, negative, zero, or undefined slope. ...
... Indicate whether each line has a positive, negative, zero, or undefined slope. ...
File
... (a) An equation for the vertical line through (3, 5) is x = 3. (b) The graph of the equation x = 3 is a vertical line with x-intercept 3. (c) An equation for the horizontal line through (8, –2) is y = –2. (d) The graph of the equation y = –2 is a horizontal line with y-intercept –2. ...
... (a) An equation for the vertical line through (3, 5) is x = 3. (b) The graph of the equation x = 3 is a vertical line with x-intercept 3. (c) An equation for the horizontal line through (8, –2) is y = –2. (d) The graph of the equation y = –2 is a horizontal line with y-intercept –2. ...
Revised Version 070216
... equation becomes a 2 + 2abi − b 2 = i . Equating the real and complex parts of the a = ±b and either 2b 2 = 1 or −2b 2 = 1. equation, a 2 − b 2 = 0 and 2ab = 1. Therefore, ...
... equation becomes a 2 + 2abi − b 2 = i . Equating the real and complex parts of the a = ±b and either 2b 2 = 1 or −2b 2 = 1. equation, a 2 − b 2 = 0 and 2ab = 1. Therefore, ...