GRÁFICA DE LA ECUACIÓN DE LA RECTA

5X+7Y=48

RAICES
SI X=0                                                               SI Y=0                     
5(0)+7y=48                                                       5x+7(0)=48
         7y=48                                                       5x         =48
           y=48/7                                                               x=48/5
           y=6.8                                                                 x=9.6

ECUACIÓN PUNTO PENDIENTE
y=mx+b                                                   tan ɵ= m                         tan ɵ= m
5x+7y=48                                                 tan ɵ= CO/CA                 tan ɵ= CO/CA
7y=48+5x                                                       m= 48/7                          m= 5/7
y=48-5x/7                                                  tan ɵ= 48/7                     tan ɵ= 5/7
y=48/7x- 5/7                                                   ɵ= 48/7 tan^-1                   ɵ= 5/7 tan^-1         
m=48/7      b=5/7                                            ɵ= 81.70º                        ɵ= 35.53°

8X+3Y=94
RAICES
SI X=0                                                                 SI Y=0
8X+3Y=94                                                          8X+3Y=94
8(0)+3y=94                                                       8x+(0)=94
          3y=94                                                      8x     =94
            y=94/3                                                          x=94/8
            y=31.3                                                          x=11.75

ECUACIÓN PUNTO PENDIENTE
y=mx+b                                  tanɵ=m                                         tanɵ=m
8x+3y=94                               tanɵ=co/ca                                    tanɵ=co/ca
       3y=94+8x                            m=94/3                                         m=8/3
         y=94+8x/3                      tanɵ=94/3                                      tanɵ=8/3
         y=94/3x-8/3                         ɵ=94/3 tan^-1                                             ɵ=8/3 tan^-1
        m=94/3  b=8/3                      ɵ=88.16º                                       ɵ=69.44º