初中數(shù)學(xué)函數(shù)專題訓(xùn)練

Difficult，not hatingBlueprints，not rhetoricWords and simple、but full of love、truth、passion、entre preneur ial passion . take this opportunity、my inspirational quotesOnly specific qualifies，will it be possible in specific areas to create a world。in my view，village chiefs in the new situation，Wemust first have five basic quality。one ambition is to pioneer。who is handsomepeople only high-minded can stimute the flow of momentum to be Come brave and persistent，become quiet and powerful。township and village party“l(fā)eaders”、within their respective jurisdictions、Political stability and economic and social developsvivillage chiefs and the positions，both the trust of the masses，The organizations trust，more ability to you，fullytherefore，We must always maintain the historical mission and social response ibility，and our ideal tree rooted in the hard work of the soilto have a feeling of closessions to the second .the people and countryour bussi Ness foundation in the peoples blood in the people power people。advanced decisions of the party cadres to the feelings of the people is an eternal the Me。fan zhong-Yan，called first，and enjoy comfort about others ，Zheng banqiaos also wrote a ya chai lay listening to thisold of feudal official even has so feelings，alone web is to serving for purposes of people servant does？we more should always hold with on people of deep feelings，heart department masses of leading visited tea，Care masses of emotions thoughtsthree with the fame of mind .非indfferent not in sist your dream，Without serenity not go far . ascension to fame is morality，is the sublimitation of the soul。as township and villlage、Be sure to maintain a normal state of mind、establish a correct view point on power、position and values and outouts.50公里，also red and like hundres of thousands of the KMT military combat，But he went on to collect a variety of new papers and magazinesas long as the study of mind，It is not nec essary to come to the library，workshops，into the villlags，people learned farming techniques中學(xué)數(shù)學(xué)函數(shù)專項(xiàng)訓(xùn)練一.填空1.函數(shù)中參數(shù)x的值范圍為_(kāi) _ _ _ _ _ _ _ _ _ _2.拋物線的頂點(diǎn)坐標(biāo)為_(kāi) _ _ _ _ _ _ _ _ _ _ _ _ _ _ _3.如果正比例函數(shù)的圖像通過(guò)點(diǎn)(，)，則函數(shù)的關(guān)系如下4.函數(shù)與軸的交集，與軸的交集，圍繞兩個(gè)軸的三角形區(qū)域；如果點(diǎn)(，)位于函數(shù)的圖像上；6.在二次函數(shù)中，圖像為開(kāi)口，對(duì)稱軸為直線，頂點(diǎn)坐標(biāo)為()。在x中，函數(shù)y隨著x的增加而增大，在x中，函數(shù)y隨著x的增加而減小。如果X=，則函數(shù)y具有最大值。7.象限1、2和4的函數(shù)表示法_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _。8.寫入圖像開(kāi)口并經(jīng)過(guò)原點(diǎn)的二次函數(shù)表達(dá)式_ _ _ _ _ _ _ _ _。9.已知兩個(gè)圓的半徑分別是一階二次方程的兩個(gè)根，如果兩個(gè)圓的中心距離為5，則兩個(gè)圓的位置關(guān)系為_(kāi) _ _ _ _ _ _ _ _ _ _ _ _ _ _ _。二.選擇題10.如果點(diǎn)P(m，1-2m)的橫坐標(biāo)和縱坐標(biāo)互為偶數(shù)，則點(diǎn)P始終()(a)第一象限(b)第二象限(c)第三象限(d)第四象限11.如果已知直線y=MX-1具有點(diǎn)B(1，n)，并且從該點(diǎn)到原點(diǎn)的距離為，則此直線和兩條坐標(biāo)軸包圍的三角形的面積為()(A)(B)或(c)或(d)或12.AE，CF是銳角ABC的兩個(gè)高度，如果AE: cf=3: 2，則sinA:sinC是()(a) 3: 2 (b) 2: 3 (c) 9: 4 (d) 4: 913.y軸對(duì)稱的m，n的兩點(diǎn)和雙曲線上的點(diǎn)m，線y=x 3上的點(diǎn)n，如果點(diǎn)m的坐標(biāo)為(a，b)，則輔助函數(shù)y=-abx2 (a b)x()(a)具有最小值，最小值為(b)具有最大值，最大值為-:(c)具有最大值，最大值具有(d)最小值，最小值為-:14.如果兩個(gè)圓的半徑為方程式x2-3x 2=0，并且中心距離d=1，則兩個(gè)圓的位置關(guān)系為()A.外接b .內(nèi)接c .外接d .相交15.如果已知逆比例函數(shù)的圖像通過(guò)點(diǎn)(，)，則該圖像也必須通過(guò)()A (-，-) b(，-) c (-，)D (0，0)16.已知二次函數(shù)的圖像是對(duì)稱軸(如圖所示)時(shí)，在以下結(jié)論中正確地()。A.bC.D.17.已知圖像是拋物線，如果拋物線不移動(dòng)，則通過(guò)將軸分別向上和向右平移兩個(gè)單位，可以在新坐標(biāo)系中計(jì)算拋物線的分析公式()。A.bC.D.18.如果靜態(tài)比例函數(shù)y=kx的