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            <title>Simulasi Soal SBMPTN! Gradien, Persamaan Garis Lurus Serta Contoh Soal Dan Pembahasannya!</title>
            <category>Jalur SNBT - UTBK SBMPTN</category>
            <link>https://mamikos.com/info/simulasi-soal-sbmptn-2019-gradien-persamaan-garis-lurus/</link>
            <pubDate>Thu, 03 Mar 2022 06:31:30 +0000</pubDate>
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            <description><![CDATA[<p>Gradien dalam matematika adalah salah satu operator dalam kalkulus vektor yang berguna untuk mencari perubahan arah dan kecepatan dalam bidang skalar. </p>
<p>The post <a href="https://mamikos.com/info/simulasi-soal-sbmptn-2019-gradien-persamaan-garis-lurus/">Simulasi Soal SBMPTN! Gradien, Persamaan Garis Lurus Serta Contoh Soal Dan Pembahasannya!</a> appeared first on <a href="https://mamikos.com/info">Blog Mamikos</a>.</p>
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            <content:encoded><![CDATA[<div class="wprt-container">
<p>Simulasi <a rel="noreferrer noopener" aria-label="Soal SBMPTN  (opens in a new tab)" href="https://mamikos.com/download-soal/download-soal-sbmptn-tkpa-saintek-soshum-dan-campuran-beserta-pembahasannya-gratis" target="_blank">Soal SBMPTN </a>! Gradien, Persamaan Garis Lurus Serta Contoh Soal Dan Pembahasannya! &#8211; Gradien dalam <a rel="noreferrer noopener" aria-label="matematika (opens in a new tab)" href="https://mamikos.com/info/contoh-soal-utbk-matematika-dan-pembahasannya-mhs/" target="_blank">matematika</a> adalah salah satu operator dalam kalkulus vektor yang berguna untuk mencari perubahan arah dan kecepatan dalam bidang skalar. Gradien juga didefinisikan sebagai nilai kemiringan / kecondongan suatu garis yang membandingkan antara komponen Y (ordinat) dengan komponen X (absis). Sementara itu, Gradien suatu garis adalah ukuran kemiringan atau kecondongan suatu garis.</p>



<h2 class="wp-block-heading">Simulasi Soal SBMPTN! Gradien</h2>



<figure class="wp-block-image"><img fetchpriority="high" decoding="async" width="750" height="500" src="https://blog-static.mamikos.com/wp-content/uploads/2022/03/sbmptn.jpeg" alt="" class="wp-image-104435" srcset="https://blog-static.mamikos.com/wp-content/uploads/2022/03/sbmptn.jpeg 750w, https://blog-static.mamikos.com/wp-content/uploads/2022/03/sbmptn-300x200.jpeg 300w, https://blog-static.mamikos.com/wp-content/uploads/2022/03/sbmptn-500x333.jpeg 500w, https://blog-static.mamikos.com/wp-content/uploads/2022/03/sbmptn-600x400.jpeg 600w" sizes="(max-width: 750px) 100vw, 750px" /><figcaption>kompas.com</figcaption></figure>



<h2 class="wp-block-heading"><strong>Macam-Macam Gradien:</strong></h2>



<h3 class="wp-block-heading"><strong>1.Gradien bernilai positif</strong></h3>



<p>Bila m (+) contoh : 6x – 2 y – 9 = 0</p>



<p>m = – (6/-2) = 3 (positif)</p>


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<h3 class="wp-block-heading"><strong>2. Gradien bernilai negative</strong></h3>



<p>Bila m (-) Contoh : 6x + 3y – 9 = 0</p>



<p>m = – (6/3) = -2 (negative)</p>


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<h3 class="wp-block-heading"><strong>3. Gradien garis melalui pangkal koordinat</strong></h3>



<p>Garis l melalui pangkal koordinat (0,0) maka : m = y/x</p>



<p>contoh : Gradient Garis yang melalui titik (0,0) dan (2,-3) adalah :</p>



<p>m = y/x = -3/2</p>



<h3 class="wp-block-heading"><strong>4. Gradien garis melalui dua titik (x1,y1) dan (x2,y2)</strong></h3>



<p>Sebuah garis lurus dapat diperoleh dengan cara menguhubungkan dua titik sembarang misal titik P (x1 y1) dan Q (x2 Y2) , Gradien garis PQ = m = delta y / delta x = (y2-y1)/(x2-x1).</p>



<p>Contoh : Gradien melalui titik (-4,5) dan (2,-3)</p>



<p>m = (y2-y1)/(x2-x1) = (-3-5)/(2+4) = -8/6 = -4/3.</p>


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<h2 class="wp-block-heading">Persamaan Garis Lurus</h2>



<h3 class="wp-block-heading"><strong>A. Garis dengan gradien m dan melalui 1 titik.</strong></h3>



<p>Persamaan garis dengan gradien m dan melalui sebuah titik (x1,y1), adalah : y – y1 = m (x – x1)</p>



<h3 class="wp-block-heading"><strong>B. Persamaan garis yang melalui 2 titik.</strong></h3>



<p>Gradien garis yang melalui titik (x1, y1) dan (x2, y2) yaitu dengan menggunakan rumus persamaan garis dengan gradient m dan melalui sebuah titik (x1 , y1),</p>



<p>y – y1 = m ( x – x1 )&nbsp; sehingga dapat diperoleh rumus berikut :</p>



<p>y – y1 = m ( x – x1 )</p>



<p>y – y1 = [(y2-y1)/(x2-x1)] (x – x1)</p>



<p>(y – y1)/(y2-y1) = (x-x1)/(x2-x1)</p>



<p>Jadi kesimpulan yang dapat diambil:</p>



<p>Persamaan garis yang melalui titik (x1, y1) dan (x2, y2) yaitu : (y – y1)/(y2-y1) = (x-x1)/(x2-x1).</p>


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<h2 class="wp-block-heading">Simulasi Soal Gradien, Persamaan Garis Lurus Serta Contoh Soal Dan Pembahasannya!</h2>



<div class="wp-block-image"><figure class="aligncenter"><img decoding="async" width="1280" height="720" src="https://mamikos.com/info/wp-content/uploads/2019/03/maxresdefault-1-2.jpg" alt="" class="wp-image-15923" srcset="https://blog-static.mamikos.com/wp-content/uploads/2019/03/maxresdefault-1-2.jpg 1280w, https://blog-static.mamikos.com/wp-content/uploads/2019/03/maxresdefault-1-2-300x169.jpg 300w, https://blog-static.mamikos.com/wp-content/uploads/2019/03/maxresdefault-1-2-768x432.jpg 768w, https://blog-static.mamikos.com/wp-content/uploads/2019/03/maxresdefault-1-2-1024x576.jpg 1024w, https://blog-static.mamikos.com/wp-content/uploads/2019/03/maxresdefault-1-2-640x360.jpg 640w, https://blog-static.mamikos.com/wp-content/uploads/2019/03/maxresdefault-1-2-830x467.jpg 830w, https://blog-static.mamikos.com/wp-content/uploads/2019/03/maxresdefault-1-2-230x129.jpg 230w, https://blog-static.mamikos.com/wp-content/uploads/2019/03/maxresdefault-1-2-350x197.jpg 350w, https://blog-static.mamikos.com/wp-content/uploads/2019/03/maxresdefault-1-2-480x270.jpg 480w" sizes="(max-width: 1280px) 100vw, 1280px" /></figure></div>



<h3 class="wp-block-heading">Contoh Soal:</h3>



<p>1.Tentukanlah persamaan garis melalui titik A(-3,4) dan bergradien -2.</p>



<p>Jawab:</p>



<p>Titik A(-3,4), berarti x­1 = -3 , y1 = 4 dan bergradien -2, berarti m = -2</p>



<p>Persamaan garis dengan gradient m dan melalui sebuah titik (x1,y1) adalah:</p>



<ol><li>y – y1 = m ( x – x1 )</li><li>y – 4 = -2 {x – (-3)}</li><li>y – 4 = -2 (x + 3 )</li><li>y – 4 = -2 x – 6</li><li>y = -2x – 6 + 4</li><li>y = -2x – 2.</li></ol>



<p>2.) Tentukanlah persamaan garis melalui titik B(6,2) dan sejajar dengan garis yang melalui titik P(2,-5) dan Q(-6, 3)</p>



<p>Jawab:</p>



<p>Garis yang melalui titik P(2,-5) dan (-6, 3)</p>



<ol><li>P(2,-5) berarti x1 = 2 , y1 = -5</li><li>Q(-6,3) berarti x2 = -6 , y2 = 3</li></ol>



<p>Gradien yang melaui titik P(2,-5) dan Q(-6, 3) adalah:</p>



<p>m (PQ) Misal mPQ = (y2-y1)/(x2-x1) = (3+5)/(-6-2) = 8/-8 = -1 maka m1 = m2 = -1 ( dua garis sejajar )</p>



<p>Titik B(6, 2), berarti x­1 = 6 , y1 = 2</p>



<p>Persamaan garis dengan gradien -1 dan melalui titik (6, 2) adalah :</p>



<ol><li>y – y1 = m ( x – x1 )</li><li>y – 2 = -1 (x – 6)</li><li>y – 2 = -x + 6</li><li>y = -x + 6 + 2</li><li>y = -x + 8.</li></ol>



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</div><p>The post <a href="https://mamikos.com/info/simulasi-soal-sbmptn-2019-gradien-persamaan-garis-lurus/">Simulasi Soal SBMPTN! Gradien, Persamaan Garis Lurus Serta Contoh Soal Dan Pembahasannya!</a> appeared first on <a href="https://mamikos.com/info">Blog Mamikos</a>.</p>
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