Stitz-Zeager_College_Algebra_e-book

# 1 to see what the function concept means

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Unformatted text preview: about the y -axis (e.g. (−6, 0) is on the graph but (6, 0) is not) The graph is not symmetric about the origin (e.g. (−6, 0) is on the graph but (6, 0) is not) The graph is symmetric about the x-axis The graph is symmetric about the y -axis The graph is symmetric about the origin 1.3 Graphs of Equations 33 (l) x3 y = −4 (k) 4y 2 − 9x2 = 36 √ Re-write as: y = ± 9x2 +36 2 Re-write as: y = − . The graph has no x-intercepts y -intercepts: (0, ±3) x −4 −2 0 2 4 y √ ±3 5 √ ±3 2 ±3 √ ±3 2 √ ±3 5 (x, y ) √ −4, ±3 5 √ −2, ±3 2 (0, ±3) √ 2, ±3 2 √ 4, ±3 5 4 . x3 The graph has no x-intercepts The graph has no y -intercepts x −2 −1 −1 2 y (x, y ) (−2, 1 ) 2 4 (−1, 4) 1 32 (− 2 , 32) −32 ( 1 , −32) 2 −4 (1, −4) 1 −1 (2, − 2 ) 2 1 2 1 2 1 2 y y 7 32 6 5 4 3 2 1 −4 −3 −2 −1 −1 1 2 3 4 x −2 −3 4 −2 −1 −4 1 2 x −4 −5 −6 −7 The graph is symmetric about the x-axis The graph is symmetric about the y -axis The graph is symmetric about the origin −32 The graph is not symm...
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## This note was uploaded on 05/03/2013 for the course MATH Algebra taught by Professor Wong during the Fall '13 term at Chicago Academy High School.

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