问题
填空题
(1)点A(-5,-4)到x轴的距离是______;到y轴的距离是______.
(2)点B(3m,-2n)到x轴的距离是______;到y轴的距离是______.
答案
(1)|-4|=4,|-5|=5,
∴点A(-5,-4)到x轴的距离是4;到y轴的距离是5;
(2)|-2n|=2|n|,|3m|=3|m|,
∴点B(3m,-2n)到x轴的距离是2|n|;到y轴的距离是3|m|.
(1)点A(-5,-4)到x轴的距离是______;到y轴的距离是______.
(2)点B(3m,-2n)到x轴的距离是______;到y轴的距离是______.
(1)|-4|=4,|-5|=5,
∴点A(-5,-4)到x轴的距离是4;到y轴的距离是5;
(2)|-2n|=2|n|,|3m|=3|m|,
∴点B(3m,-2n)到x轴的距离是2|n|;到y轴的距离是3|m|.