Untuk menggambar grafik persamaan garis lurus, langkah yang perlu dilakukan adalah mencari titik potong sumbu [img width=9,height=22]data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAkAAAAWCAMAAAAlz0ZsAAAAAXNSR0IArs4c6QAAAEtQTFRFAAAAAAAAAAA6AABmADpmOma2OpDbZjoAZrbbkDoAkDo6kGY6kNvbkNv/tmYAtmY6tmaQtv//25A62//b2////7Zm/9uQ/9u2///bf3P00gAAAAF0Uk5TAEDm2GYAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAAZdEVYdFNvZnR3YXJlAE1pY3Jvc29mdCBPZmZpY2V/7TVxAAAAPUlEQVQYV2NgoDYQZ2fiZeAHYgkBYU42fg6I+UKMbFCLRJkFISwJbqAiMIOLh5NNDKiQj4UXqJBVhEpOAgC7oAHHhbctwwAAAABJRU5ErkJggg==[/img] dan titik potong sumbu [img width=9,height=22]data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAkAAAAWCAMAAAAlz0ZsAAAAAXNSR0IArs4c6QAAAFpQTFRFAAAAAAAAAAA6AABmADpmAGa2OgA6Oma2OpDbZgAAZgA6ZmaQZpDbZrbbZrb/kDoAkNv/tmYAtmY6tmZmtpA6tv//25A625Bm2////7Zm/7aQ/9uQ//+2///bGJ9itAAAAAF0Uk5TAEDm2GYAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAAZdEVYdFNvZnR3YXJlAE1pY3Jvc29mdCBPZmZpY2V/7TVxAAAAUElEQVQYV2NgoDYQYmRnYBBkZGWQ4hNjFmWQ4RIA2iDNJsAgDRRnYJDh5GMQBgkBFbFK80BsF2PhloCwJJkgcgwM4nwQWlaEA8LgZ+Ilza0A+s4CiBHeMcAAAAAASUVORK5CYII=[/img]. Dari dua titik tersebut ditarik garis dan akan membentuk grafik lurus.[br][br]Contoh:[br]Grafik persamaan garis lurus [img width=94,height=22]data:image/png;base64,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[/img][br][br]Langkah 1: Mencari titik potong sumbu [img width=9,height=22]data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAkAAAAWCAMAAAAlz0ZsAAAAAXNSR0IArs4c6QAAAEtQTFRFAAAAAAAAAAA6AABmADpmOma2OpDbZjoAZrbbkDoAkDo6kGY6kNvbkNv/tmYAtmY6tmaQtv//25A62//b2////7Zm/9uQ/9u2///bf3P00gAAAAF0Uk5TAEDm2GYAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAAZdEVYdFNvZnR3YXJlAE1pY3Jvc29mdCBPZmZpY2V/7TVxAAAAPUlEQVQYV2NgoDYQZ2fiZeAHYgkBYU42fg6I+UKMbFCLRJkFISwJbqAiMIOLh5NNDKiQj4UXqJBVhEpOAgC7oAHHhbctwwAAAABJRU5ErkJggg==[/img][br][img width=106,height=22]data:image/png;base64,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[/img][br][img width=56,height=22]data:image/png;base64,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[/img][br][img width=48,height=39]data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAADAAAAAnCAMAAAB+DzuWAAAAAXNSR0IArs4c6QAAAIRQTFRFAAAAAAAAAAA6AABmADpmADqQAGaQAGa2OgAAOjoAOjpmOjqQOmaQOma2OpCQOpC2OpDbZgAAZjoAZpC2ZpDbZrbbZrb/kDoAkDo6kGY6kNvbkNv/tmYAtmY6tmaQtpA6tpBmttv/tv//25A627Zm2//b2////7Zm/9uQ/9u2//+2///bPGFtVAAAAAF0Uk5TAEDm2GYAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAAZdEVYdFNvZnR3YXJlAE1pY3Jvc29mdCBPZmZpY2V/7TVxAAABAElEQVRIS9VVyxKCMAxsfb9Q8FUVUDEq0P7//5k2ogdhGk6MO8P0sks3yRKE+DuY60T2tmS7mOy9/o1aPQVIRzSKTj90FFpSuoyYArKSB5orSMa2gNmNK4D5Ews4xAIFwDAFAfJFLgl+QY78InCdYVkqrB9wXWIJsPcWTqAjjiP/lP6SUa57sUjxoUC+MbTTqoU5P1SY7lrVCtTnOlQXfk/Lyvu3N5ljCY0fqQAuzOGkwoJfRDKI8aN1Ee4S5j79NIbjQ68XGYdXcYyyW6AFoJUdG7DRUcpBNVz/TToaZqJsYYs25Tc/3iuoZmgO/M8bALNW0kJm4oL/iE3X4Wn2+gJ8UBF00E09rwAAAABJRU5ErkJggg==[/img][br][img width=39,height=22]data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAACcAAAAWCAMAAAB0W3UPAAAAAXNSR0IArs4c6QAAAGBQTFRFAAAAAAAAAAA6AABmADpmADqQOgAAOjpmOma2OpCQOpDbZgAAZjoAZrbbZrb/kDoAkDo6kGY6kNvbkNv/tmYAtmY6tmaQtv//25A62//b2////7Zm/9uQ/9u2//+2///bb1nKSgAAAAF0Uk5TAEDm2GYAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAAZdEVYdFNvZnR3YXJlAE1pY3Jvc29mdCBPZmZpY2V/7TVxAAAAgUlEQVQ4T+WRSQ6AIAxFi7M4oCJOoNz/llasK0PCWn/C7tH3CwC/icnakF2tYEGcKivH7XUkQeHB4F1KupFLF4fj7LQKrhpfA5PPN4dZGPdhtpOA3OJIHc/Evbyaajhzf5fzhby2GwQ33oJweXHEmEgsWDzrvYceFQt7wJDP+BxzArgfBger7aawAAAAAElFTkSuQmCC[/img][br]Sehingga didapatkan titik potong sumbu [img width=9,height=22]data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAkAAAAWCAMAAAAlz0ZsAAAAAXNSR0IArs4c6QAAAEtQTFRFAAAAAAAAAAA6AABmADpmOma2OpDbZjoAZrbbkDoAkDo6kGY6kNvbkNv/tmYAtmY6tmaQtv//25A62//b2////7Zm/9uQ/9u2///bf3P00gAAAAF0Uk5TAEDm2GYAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAAZdEVYdFNvZnR3YXJlAE1pY3Jvc29mdCBPZmZpY2V/7TVxAAAAPUlEQVQYV2NgoDYQZ2fiZeAHYgkBYU42fg6I+UKMbFCLRJkFISwJbqAiMIOLh5NNDKiQj4UXqJBVhEpOAgC7oAHHhbctwwAAAABJRU5ErkJggg==[/img] adalah [img width=34,height=22]data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAACIAAAAWCAMAAACScr5LAAAAAXNSR0IArs4c6QAAAHVQTFRFAAAAAAAAAAA6AABmADpmADqQAGa2OgAAOgA6OgBmOjo6OjpmOjqQOmaQOma2OpCQOpDbZgAAZgA6Zjo6ZrbbZrb/kDoAkDo6kNv/tmYAtmY6tmZmttv/tv//25A625Bm27Zm27aQ2////7Zm/9uQ//+2///byCM0mwAAAAF0Uk5TAEDm2GYAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAAZdEVYdFNvZnR3YXJlAE1pY3Jvc29mdCBPZmZpY2V/7TVxAAAAzElEQVQ4T82R2RKCMAxFU1zqrlVAXKhIW/7/EyVLAWdwfPHBPEAn9yQ3aQH+LPypGJ3Ibu+St5uaTl5nkqm0SlLMrLjWL0v6N7kSxOsUbIKqm6DW5Aeuve6NIJdZDcHMO9EvuJnbBUG4CDkAi1/uBX5dRiSYHiGVOGjORds7s2g1RMiDEac4GMEx2GiAoFc0IlW2IERmiQhKTqVQ0dKsxo3aJuhD1Q+tprwnjdHdC99OOA4fQ8TeCZHb23NFjXcai24IeH596Q8tfpt+Ac4XEcoq3zcwAAAAAElFTkSuQmCC[/img][br][br]Langkah 2: Mencari titik potong sumbu [img width=9,height=22]data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAkAAAAWCAMAAAAlz0ZsAAAAAXNSR0IArs4c6QAAAFpQTFRFAAAAAAAAAAA6AABmADpmAGa2OgA6Oma2OpDbZgAAZgA6ZmaQZpDbZrbbZrb/kDoAkNv/tmYAtmY6tmZmtpA6tv//25A625Bm2////7Zm/7aQ/9uQ//+2///bGJ9itAAAAAF0Uk5TAEDm2GYAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAAZdEVYdFNvZnR3YXJlAE1pY3Jvc29mdCBPZmZpY2V/7TVxAAAAUElEQVQYV2NgoDYQYmRnYBBkZGWQ4hNjFmWQ4RIA2iDNJsAgDRRnYJDh5GMQBgkBFbFK80BsF2PhloCwJJkgcgwM4nwQWlaEA8LgZ+Ilza0A+s4CiBHeMcAAAAAASUVORK5CYII=[/img][br][img width=107,height=22]data:image/png;base64,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[/img][br][img width=57,height=22]data:image/png;base64,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[/img][br][img width=48,height=39]data:image/png;base64,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[/img][br][img width=39,height=22]data:image/png;base64,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[/img][br]Sehingga didapatkan titik potong sumbu  [img width=9,height=22]data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAkAAAAWCAMAAAAlz0ZsAAAAAXNSR0IArs4c6QAAAFpQTFRFAAAAAAAAAAA6AABmADpmAGa2OgA6Oma2OpDbZgAAZgA6ZmaQZpDbZrbbZrb/kDoAkNv/tmYAtmY6tmZmtpA6tv//25A625Bm2////7Zm/7aQ/9uQ//+2///bGJ9itAAAAAF0Uk5TAEDm2GYAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAAZdEVYdFNvZnR3YXJlAE1pY3Jvc29mdCBPZmZpY2V/7TVxAAAAUElEQVQYV2NgoDYQYmRnYBBkZGWQ4hNjFmWQ4RIA2iDNJsAgDRRnYJDh5GMQBgkBFbFK80BsF2PhloCwJJkgcgwM4nwQWlaEA8LgZ+Ilza0A+s4CiBHeMcAAAAAASUVORK5CYII=[/img] adalah [img width=34,height=22]data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAACIAAAAWCAMAAACScr5LAAAAAXNSR0IArs4c6QAAAHVQTFRFAAAAAAAAAAA6AABmADpmADqQAGaQAGa2OgAAOgA6OgBmOjo6OjqQOmaQOpDbZgAAZgA6Zjo6ZpC2ZrbbZrb/kDoAkGY6kNv/tmYAtmZmtpA6ttv/tv//25A625Bm27Zm27aQ2////7Zm/9uQ/9u2//+2///bs98PnwAAAAF0Uk5TAEDm2GYAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAAZdEVYdFNvZnR3YXJlAE1pY3Jvc29mdCBPZmZpY2V/7TVxAAAA1ElEQVQ4T82R2RKCMAxFU9zqgqiIGyJCof//iWbrWGZwfPHBPrSZm9PkpgX4s+X251FHVVqqXm0ajGprklwUfzLGpCi6tdx1qzvtNocqYcUX8wa6bIFhO6GcL7akX2YN9CzjccS9QkGTbklXBSROj445AaVWn0WIv5ngi7PMDRHy7yz35x4BIRvSSL1w9QjhrDp3lu2+EfECrcmhxqER88Ws1KHFqUwE8LBmihFVoqdLDjxcNDpT/Ci7+DO0tXZS5Dr4rpCTmcZWMAHw/PrTH0r8Vn4B8IQSbslLPHAAAAAASUVORK5CYII=[/img][br][br]Langkah 3: Menggambarkan pada bidang koordinat[br] Dari kedua titik potong sumbu yang didapatkan, ditarik garis lurus tak terhingga. Garis lurus inilah yang disebut persamaan garis lurus [img width=94,height=22]data:image/png;base64,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[/img] atau bila disederhanakan [img width=76,height=22]data:image/png;base64,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[/img].