Tài liệu Sáng kiến kinh nghiệm: Một số bài toán thường gặp về viết phương trình tiếp tuyến của đồ thị hàm số. Phân loại: Phổ thông > Toán > Lớp 11. Chủ đề: Toán, Toán 11. Có bản xem trước trang đầu dạng HTML và PDF để tham khảo nội dung.

<section class="document-html-preview document-html-preview--word" data-preview-source="word-html" data-pages="initial"><style>@font-face{font-family:"Times New Roman";}
@font-face{font-family:"宋体";}
@font-face{font-family:"Wingdings";}
@font-face{font-family:"Tahoma";}
@font-face{font-family:"Cambria";}
@font-face{font-family:"Calibri";}
.document-html-preview--word p.MsoNormal{mso-style-name:Normal;
mso-style-parent:"";
margin:0pt;
margin-bottom:.0001pt;
font-family:'Times New Roman';
font-size:13.0000pt;}
.document-html-preview--word span.10{font-family:'Times New Roman';}
.document-html-preview--word span.15{font-family:'Times New Roman';
font-size:13.0000pt;}
.document-html-preview--word span.16{font-family:'Times New Roman';
font-size:13.0000pt;}
.document-html-preview--word span.17{font-family:'Times New Roman';}
.document-html-preview--word span.18{font-family:Tahoma;
font-size:8.0000pt;}
.document-html-preview--word p.MsoAcetate{mso-style-name:"Balloon Text";
margin:0pt;
margin-bottom:.0001pt;
font-family:Tahoma;
mso-fareast-font-family:'Times New Roman';
font-size:8.0000pt;}
.document-html-preview--word p.MsoFooter{mso-style-name:Footer;
margin:0pt;
margin-bottom:.0001pt;
tab-stops:center blank 216.0000pt right blank 432.0000pt ;
font-family:'Times New Roman';
font-size:13.0000pt;}
.document-html-preview--word p.MsoHeader{mso-style-name:Header;
margin:0pt;
margin-bottom:.0001pt;
tab-stops:center blank 216.0000pt right blank 432.0000pt ;
font-family:'Times New Roman';
font-size:13.0000pt;}
.document-html-preview--word span.msoIns{mso-style-type:export-only;
mso-style-name:"";
text-decoration:underline;
text-underline:single;
color:blue;}
.document-html-preview--word span.msoDel{mso-style-type:export-only;
mso-style-name:"";
text-decoration:line-through;
color:red;}
.document-html-preview--word table.MsoNormalTable{mso-style-name:"Table Normal";
mso-style-parent:"";
mso-style-noshow:yes;
mso-tstyle-rowband-size:0;
mso-tstyle-colband-size:0;
mso-padding-alt:0.0000pt 5.4000pt 0.0000pt 5.4000pt;
mso-para-margin:0pt;
mso-para-margin-bottom:.0001pt;
mso-pagination:widow-orphan;
font-family:'Times New Roman';
font-size:10.0000pt;
mso-ansi-language:#0400;
mso-fareast-language:#0400;
mso-bidi-language:#0400;}
.document-html-preview--word div.Section0{page:Section0;}</style><div class="document-html-preview__page document-html-preview__page--word" data-page="1">M&#7896;T S&#7888; B&#192;I TO&#193;N TH&#431;&#7900;NG G&#7862;P<o:p></o:p><o:p>&nbsp;</o:p>VI&#7870;T PH&#431;&#416;NG TR&#204;NH TI&#7870;P TUY&#7870;N C&#7910;A &#272;&#7890; TH&#7882; H&#192;M S&#7888; <o:p></o:p><o:p>&nbsp;</o:p>A, PH&#7846;N TH&#7912; NH&#7844;T<o:p></o:p>I, &#272;&#7862;T V&#7844;N &#272;&#7872;<o:p></o:p>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 1.Ch&#250;ng ta bi&#7871;t r&#7857;ng: d&#7841;y h&#7885;c to&#225;n l&#224; d&#7841;y cho ng&#432;&#7901;i h&#7885;c c&#243; n&#259;ng l&#7921;c tr&#237; tu&#7879;, n&#259;ng l&#7921;c n&#224;y s&#7869; gi&#250;p h&#7885; h&#7885;c t&#7853;p v&#224; ti&#7871;p thu c&#225;c ki&#7871;n th&#7913;c v&#7873; t&#7921; nhi&#234;n v&#224; x&#227; h&#7897;i.V&#236; v&#7853;y, d&#7841;y to&#225;n kh&#244;ng ch&#7881; &#273;&#417;n thu&#7847;n l&#224; d&#7841;y cho h&#7885;c sinh n&#7855;m &#273;&#432;&#7907;c ki&#7871;n th&#7913;c, nh&#7919;ng &#273;&#7883;nh l&#253; to&#225;n h&#7885;c.&#272;i&#7873;u quan tr&#7885;ng l&#224; d&#7841;y cho h&#7885;c sinh c&#243; n&#259;ng l&#7921;c, tr&#237; tu&#7879;. N&#259;ng l&#7921;c n&#224;y s&#7869; &#273;&#432;&#7907;c h&#236;nh th&#224;nh v&#224; ph&#225;t tri&#7875;n trong h&#7885;c t&#7853;p.V&#236; v&#7853;y c&#7847;n gi&#250;p h&#7885;c sinh ph&#225;t tri&#7875;n n&#259;ng l&#7921;c tr&#237; tu&#7879; chung, b&#7891;i d&#432;&#7905;ng th&#7871; gi&#7899;i quan &nbsp;duy v&#7853;t bi&#7879;n ch&#7913;ng.<o:p></o:p>&nbsp;&nbsp;&nbsp; &nbsp;2.Trong xu th&#7871; chung nh&#7919;ng n&#259;m g&#7847;n &#273;&#226;y, vi&#234;c &#273;&#7893;i m&#7899;i ph&#432;&#417;ng ph&#225;p d&#7841;y h&#7885;c l&#224; v&#7845;n &#273;&#7873; c&#7845;p b&#225;ch, thi&#7871;t th&#7921;c nh&#7845;t nh&#7857;m &#273;&#224;o t&#7841;o nh&#7919;ng con ng&#432;&#7901;i c&#243; n&#259;ng l&#7921;c ho&#7841;t &#273;&#7897;ng tr&#237; tu&#7879; t&#7889;t. &#272;&#7893;i m&#7899;i ph&#432;&#417;ng ph&#225;p d&#7841;y h&#7885;c kh&#244;ng ch&#7881; trong c&#225;c b&#224;i gi&#7843;ng l&#253; thuy&#7871;t, m&#224; ngay c&#7843; trong c&#225;c gi&#7901; luy&#7879;n t&#7853;p. Luy&#7879;n t&#7853;p ngo&#224;i vi&#7879;c r&#232;n luy&#7879;n k&#7929; n&#259;ng t&#237;nh to&#225;n, k&#7929; n&#259;ng suy lu&#7853;n c&#7847;n gi&#250;p h&#7885;c sinh bi&#7871;t t&#7893;ng h&#7907;p, kh&#225;i qu&#225;t c&#225;c ki&#7871;n th&#7913;c &#273;&#227; h&#7885;c, s&#7855;p x&#7871;p c&#225;c ki&#7871;n th&#7913;c &#273;&#227; h&#7885;c m&#7897;t c&#225;ch h&#7879; th&#7889;ng, gi&#250;p h&#7885;c sinh v&#7853;n d&#7909;ng c&#225;c ki&#7871;n th&#7913;c &#273;&#227; h&#7885;c v&#224;o gi&#7843;i b&#224;i t&#7853;p m&#7897;t c&#225;ch n&#259;ng &#273;&#7897;ng s&#225;ng t&#7841;o.<o:p></o:p>&nbsp;&nbsp;&nbsp; C&#243; th&#7875; n&#243;i, b&#224;i to&#225;n vi&#7871;t ph&#432;&#417;ng tr&#236;nh ti&#7871;p tuy&#7871;n c&#7911;a h&#224;m s&#7889; l&#224; b&#224;i to&#225;n c&#417; b&#7843;n v&#224; th&#432;&#7901;ng g&#7863;p trong c&#225;c k&#236; thi t&#7889;t nghi&#7879;p THPT v&#224; tuy&#7875;n sinh &#272;HC&#272; trong nh&#7919;ng n&#259;m g&#7847;n &#273;&#226;y,th&#7871; nh&#432;ng kh&#244;ng &#237;t h&#7885;c sinh c&#242;n l&#250;ng t&#250;ng kh&#244;ng c&#243; c&#225;i nh&#236;n th&#7845;u &#273;&#225;o v&#7871; b&#224;i to&#225;n n&#224;y, c&#225;c em th&#432;&#7901;ng kh&#244;ng nh&#7853;n d&#7841;ng &#273;&#432;&#7907;c b&#224;i to&#225;n v&#224; ch&#432;a c&#243; ph&#432;&#417;ng ph&#225;p gi&#7843;i to&#225;n cho t&#7915;ng d&#7841;ng to&#225;n c&#361;ng nh&#432; kh&#7843; n&#259;ng ph&#226;n t&#237;ch &#273;&#7873; c&#242;n nhi&#7873;u kh&#243; kh&#259;n.<o:p></o:p>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; S&#7903; d&#297; h&#7885;c sinh ch&#432;a l&#224;m &#273;&#432;&#7907;c b&#224;i t&#7853;p vi&#7871;t ph&#432;&#417;ng tr&#236;nh ti&#7871;p tuy&#7871;n c&#7911;a h&#224;m s&#7889; l&#224; v&#236;:<o:p></o:p>- Th&#7913; nh&#7845;t: B&#224;i to&#225;n vi&#234;t ph&#432;&#417;ng tr&#236;nh ti&#7871;p tuy&#7871;n &#273;&#432;&#7907;c tr&#236;nh b&#224;y &#7903; cu&#7889;i ch&#432;&#417;ng tr&#236;nh 11 n&#234;n nhi&#7873;u h&#7885;c sinh &#273;&#227; qu&#234;n ph&#432;&#417;ng ph&#225;p cho t&#7915;ng b&#224;i to&#225;n.<o:p></o:p>- Th&#7913; hai: C&#225;c em thi&#7871;u nhi&#7873;u b&#224;i t&#7853;p &#273;&#7875; r&#232;n luy&#234;n k&#297; n&#259;ng ph&#226;n t&#237;ch v&#224; tr&#236;nh b&#224;y b&#224;i to&#225;n.<o:p></o:p>- Th&#7913; ba: h&#7885;c sinh ch&#432;a c&#243; &#273;&#432;&#7907;c ph&#432;&#417;ng ph&#225;p kh&#225;i qu&#225;t c&#225;c b&#224;i to&#225;n th&#432;&#7901;ng g&#7863;p v&#7873;<o:p></o:p>&nbsp;vi&#7871;t ph&#432;&#417;ng tr&#236;nh ti&#7871;p tuy&#7871;n c&#7911;a h&#224;m s&#7889; <o:p></o:p>&nbsp; Ch&#237;nh v&#236; v&#7853;y, &#273;&#227; th&#244;i th&#250;c t&#244;i t&#236;m hi&#7875;u v&#224; vi&#7871;t &#273;&#7873; t&#224;i “M&#7897;t s&#7889; b&#224;i to&#225;n th&#432;&#7901;ng g&#7863;p v&#7873; vi&#7871;t ph&#432;&#417;ng tr&#236;nh ti&#7871;p tuy&#7871;n c&#7911;a &#273;&#7891; th&#7883; h&#224;m s&#7889; ” nh&#7857;m gi&#250;p c&#225;c em h&#7885;c sinh n&#7855;m ch&#7855;c &#273;&#432;&#7907;c ki&#7871;n th&#7913;c v&#7873; b&#224;i to&#225;n vi&#7871;t ph&#432;&#417;ng tr&#236;nh ti&#7871;p tuy&#7871;n c&#7911;a &#273;&#7891; th&#7883; h&#224;m s&#7889;, &#273;&#7875; c&#225;c em c&#243; s&#7921; chu&#7849;n b&#7883; t&#7889;t cho c&#225;c k&#7923; thi t&#7889;t nghi&#7879;p THPT Qu&#7889;c gia v&#224; &#272;HC&#272;.<o:p></o:p></div></section>

Sáng kiến kinh nghiệm: Một số bài toán thường gặp về viết phương trình tiếp tuyến của đồ thị hàm số

1 giây trước

Xem tiếp toàn bộ tài liệu