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歡迎您訪問(wèn)數(shù)學(xué)考題練習(xí):點(diǎn)M在y軸的左側(cè),到x軸、y軸的距離分別是3和!

數(shù)學(xué)考題練習(xí):點(diǎn)M在y軸的左側(cè),到x軸、y軸的距離分別是3和

更新時(shí)間:2024-01-12 14:01:38作者:貝語(yǔ)網(wǎng)校

點(diǎn)M在y軸的左側(cè),到x軸、y軸的距離分別是3和5,點(diǎn)M坐標(biāo)為

A.(-5,3)

B.(-5,-3)

C.(5,3)或(-5,3)

D.(-5,3)或(-5,-3)

試題答案

D

試題解析

根據(jù)到y(tǒng)軸的距離求出點(diǎn)M的橫坐標(biāo),根據(jù)到x軸的距離求出點(diǎn)M的縱坐標(biāo),然后解答即可.

解答:∵點(diǎn)M在y軸的左側(cè),到y(tǒng)軸的距離是5,

∴點(diǎn)M的橫坐標(biāo)是-5,

∵點(diǎn)M到x軸的距離是3,

∴點(diǎn)M的縱坐標(biāo)是3或-3,

∴點(diǎn)M的坐標(biāo)是(-5,3)或(-5,-3).

故選D.

點(diǎn)評(píng):本題考查了點(diǎn)的坐標(biāo),根據(jù)點(diǎn)到x軸的距離等于縱坐標(biāo)的長(zhǎng)度,到y(tǒng)軸的距離等于橫坐標(biāo)的長(zhǎng)度求出點(diǎn)M的橫坐標(biāo)與縱坐標(biāo)是解題的關(guān)鍵.

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