
8.5 直線的斜率
Quiz
•
Mathematics
•
11th Grade
•
Practice Problem
•
Medium
Kamwa Iao
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10 questions
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1.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
斜率是什么?
斜率是指直线的倾斜程度
斜率是指直线的弯曲程度
斜率是指直线的颜色
斜率是指直线的长度
2.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
如何计算两点之间的斜率?
计算两点之间的高度變化量除以水平變化量。
计算两点之间的高度變化量除以纵坐标和横坐标的平均值。
计算两点之间的横坐标差除以纵坐标和横坐标的差。
计算两点之间的水平變化量除以高度變化量。
3.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
斜率为正数表示什么?
此直線隨著 x 值的增加而增加。
此直線垂直於x軸。
此直線平行於x軸。
此直線隨著 x 值的增加而減小。
4.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
斜率为负数表示什么?
該直線從左到右逐漸增加。
該直線從左到右逐漸減小。
該直線平行於x軸。
該直線垂直於x軸。
5.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
斜率为零表示什么?
直线与x轴垂直
斜率不存在
不存在斜率為0的直線
直线与x轴平行
6.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
過點(3,1)和點(-3,1)直線斜率為?
0
-6
6
不存在
7.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
斜率为1表示什么?
直線上的任意一點每向右移動一个單位時,便向下移動2個單位
直線上的任意一點每向右移動一个單位時,便向上移動2個單位
直線上的任意一點每向右移動1个單位時,便向下移動1個單位
直線上的任意一點每向右移動1个單位時,便向上移動1個單位
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