x-coordinate 同 y-coordinate

2007-02-06 5:09 am
1) write down the x-coordinate of each of the following points.
a) A( 0,5 ) b) B( 5,0 ) c) C(-10,7 ) d) D( -1.2 ,3)

2) write down the Y-coordinate of each of the following points.
a) A( 6,8 ) b) B( 0,4 ) c) C(-2,0 ) d) D( -4.1 ,-9)


** 請用中文解釋 及 步驟 ** PLS + THZ

回答 (2)

2007-02-06 5:13 am
✔ 最佳答案
1) write down the x-coordinate of each of the following points.
a) A( 0,5 ) b) B( 5,0 ) c) C(-10,7 ) d) D( -1.2 ,3)
x-coordinate 即是括號裡的第一個數
所以
(a) 0
(b) 5
(c) -10
(d) -1.2
2) write down the Y-coordinate of each of the following points.
a) A( 6,8 ) b) B( 0,4 ) c) C(-2,0 ) d) D( -4.1 ,-9)
y-coordinate 即是括號裡的第二個數
所以
(a) 8
(b) 4
(c) 0
(d) -9

2007-02-06 5:15 am
1a) A( 0,5 ) x=0
b) B( 5,0 ) x=5
c) C(-10,7 )x =-10
d) D( -1.2 ,3) x=-1.2
2a) A( 6,8 ) y=8
b) B( 0,4 ) y=4
c) C(-2,0 ) y=0
d) D( -4.1 ,-9) y=9


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