单选题If each of the equations below is graphed on the xy-plane, which one will produce a line with a positive slope containing the point (3, 2)?Ax+y=5Bx - y = 1C3x-2y = 10Dx2 -y=5Ex +y2 = 7
单选题
If each of the equations below is graphed on the xy-plane, which one will produce a line with a positive slope containing the point (3, 2)?
A
x+y=5
B
x - y = 1
C
3x-2y = 10
D
x2 -y=5
E
x +y2 = 7
参考解析
解析：
因为直线方程式不包含带平方的项，如x2 或y2 ，所以D和E不正确，因为它们不是直线。将点(3,2)代入到各个选项中，C项不符合。因为A项斜率为-1，不符合，故选B。
因为直线方程式不包含带平方的项，如x2 或y2 ，所以D和E不正确，因为它们不是直线。将点(3,2)代入到各个选项中，C项不符合。因为A项斜率为-1，不符合，故选B。
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