配套习题- 一次函数图像平移的探究 -【青果学院】

1/5单选题

难度：

1.一次函数y=2x+3的图象沿y轴向下平移2个单位，那么所得图象的函数解析式是（　　）

A	y=2x-3
B	y=2x+2
C	y=2x+1
D	y=2x

正确答案：Qw==

6Kej77ya5Y6f55u057q/55qEaz0y77yMYj0z77yb5ZCR5LiL5bmz56e7MuS4quWNleS9jemVv+W6puW+l+WIsOS6huaWsOebtOe6v++8jOmCo+S5iOaWsOebtOe6v+eahGs9Mu+8jGI9My0yPTEuIDxicj7iiLTmlrDnm7Tnur/nmoTop6PmnpDlvI/kuLp5PTJ4KzEuIDxicj7mlYXpgIlDLiA=

2/5单选题

难度：

2.将直线y=3x+15沿x轴向左平移2个单位，所得直线对应的函数关系式为（　　）

A	y=x+15
B	y=3x+9
C	y=3x+13
D	y=3x+21

正确答案：RA==

6Kej77ya55Sx5bem5Yqg5Y+z5YeP55qE5rOV5YiZ5Y+v5b6X77ya55u057q/eT0zeCsxNeayv3jovbTlkJHlt6blubPnp7sy5Liq5Y2V5L2N77yMPGJyPuaJgOW+l+ebtOe6v+WvueW6lOeahOWHveaVsOWFs+ezu+W8j+S4uu+8mnk9M++8iHgrMu+8iSsxNT0zeCsyMS4gPGJyPuaVhemAiUQuIA==

3/5单选题

难度：

3.把直线y=-x+3沿y轴向下平移2个单位所得函数的解析式为（　　）

A	y=-3x+3
B	y=-x+5
C	y=-x+1
D	y=x+1

正确答案：Qw==

6Kej77ya5Zyo55u057q/eT0teCsz5LiK5Y+W5LiA54K577yIMO+8jDPvvInvvIzlkJHkuIvlubPnp7sy5Liq5Y2V5L2N5ZCO5Li654K577yIMO+8jDHvvInvvIw8YnI+6K6+5bmz56e75ZCO55u057q/6Kej5p6Q5byP5Li6eT0teCti77yMPGJyPuWwhueCue+8iDDvvIwx77yJ5Luj5YWl77yM5b6XYj0xLiA8YnI+4oi05b6X5Yiw55qE5Ye95pWw6Kej5p6Q5byP5Li6eT0teCsxLiA8YnI+5pWF6YCJQy4g

4/5单选题

难度：

4.函数y=-2x的图象，经过（　　）平移得到函数y=-2（x-

）的图象.

A	向上平移
B	向下平移
C	向上平移
D	向下平移

正确答案：Qw==

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

5/5单选题

难度：

5.若将一次函数y=x-5的图象平移，使图象上点的坐标由（1，-4）变为（2，-2），则平移后的图象的解析式为（　　）

A	y=（x+1）-3
B	y=（x-1）-3
C	y=（x-1）+3
D	y=（x+1）+3

正确答案：Qg==

6Kej77ya55Sx5Z2Q5qCH55Sx77yIMe+8jC0077yJ5Y+Y5Li677yIMu+8jC0y77yJ77yM5Y+v55+l5Ye95pWw5Zu+6LGh5ZCR5Y+z5bmz56e7MeWQkeS4iuW5s+enuzLvvIw8YnI+55Sx5LiA5qyh5Ye95pWw5Zu+6LGh5bem5Y+z5bmz56e76KeE5b6L5bem5Yqg5Y+z5YeP5b6XeT3vvIh4LTHvvIktNe+8jDxicj7nlLHkuIDmrKHlh73mlbDlm77osaHkuIrkuIvlubPnp7vop4TlvovkuIrliqDkuIvlh4/lvpd5Pe+8iHgtMe+8iS01KzLvvIw8YnI+5YiZ5bmz56e75ZCO55qE5Zu+6LGh55qE6Kej5p6Q5byP5Li6eT3vvIh4LTHvvIktMy4gPGJyPuaVhemAiUI=