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亠舒于舒亠 仆舒 仗仂仍仆亳
 从于舒亟舒仆亳 舒于亠仆从亳

          b賊 b 4ac
               2
   x 1,2=
              2a
弌仂 亰舒仄亠仆舒 仆舒 b=0亳 c=0于仂 仂仄仍舒舒 亰舒
亠亠仆亳舒 仆舒 仗仂仍仆舒舒 从于舒亟舒仆舒 舒于亠仆从舒, 亠
                                2
亟仂弍亳于舒舒 亠亠仆亳舒舒 仂亟 于亳亟仂 ax =0.亠. x 1=0
亳仍亳 x 2=0.
弌仂 亰舒仄亠仆舒 仆舒 b=0 ,亠 亟仂弍亳于舒舒 亠亠仆亳舒舒
仆舒 舒于亠仆从舒舒 仂亟 于亳亟仂 ax 2 +bx=0

          
.亠. x 1= c 仍亳
              a
                     x2 =
                               c
                                a
                                  .


弌仂 亰舒仄亠仆舒 仆舒 c=0 ,亠 亟仂弍亳于舒舒 亠亠仆亳舒舒
                        2
仆舒 舒于亠仆从舒舒 仂亟 于亳亟仂 ax +bx=0,
                            b
      .亠. x 1=0 , 亳仍亳 x 2= .
                            a
亳仄亠 1:
 2                                   3+1
x +3x+2=0                     x 1,2=
                                      2

a=1,b=3,c=2                   x 1=
                                   3+1
                                        =1
                                    2
       3賊 3 412
            2
x 1,2=                        x 2=
                                   4
                                      =2
           21                      2


       3賊 98               M ={1,2}
x 1,2=
          2
亳仄亠 2:
 2
x +x12=0                               1賊7
                                 x 1,2=
a=1,b=1,c=12                             2

                                     6
       1賊  1 41(12)
            2
                                 x 1= =3
                                     2
x 1,2=
               21

       1賊  1+48                 17 8
x 1,2=                       x 2=     = =4
           2                        2   2
亰舒弍仂亳仍:   亠仆仂:

丱亳亳舒仆    亳舒仆舒
弌仂从仂于从亳   于舒仆仂于从舒

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Polni kvadratni ravenki

  • 1. 亠舒于舒亠 仆舒 仗仂仍仆亳 从于舒亟舒仆亳 舒于亠仆从亳 b賊 b 4ac 2 x 1,2= 2a
  • 2. 弌仂 亰舒仄亠仆舒 仆舒 b=0亳 c=0于仂 仂仄仍舒舒 亰舒 亠亠仆亳舒 仆舒 仗仂仍仆舒舒 从于舒亟舒仆舒 舒于亠仆从舒, 亠 2 亟仂弍亳于舒舒 亠亠仆亳舒舒 仂亟 于亳亟仂 ax =0.亠. x 1=0 亳仍亳 x 2=0. 弌仂 亰舒仄亠仆舒 仆舒 b=0 ,亠 亟仂弍亳于舒舒 亠亠仆亳舒舒 仆舒 舒于亠仆从舒舒 仂亟 于亳亟仂 ax 2 +bx=0 .亠. x 1= c 仍亳 a x2 = c a . 弌仂 亰舒仄亠仆舒 仆舒 c=0 ,亠 亟仂弍亳于舒舒 亠亠仆亳舒舒 2 仆舒 舒于亠仆从舒舒 仂亟 于亳亟仂 ax +bx=0, b .亠. x 1=0 , 亳仍亳 x 2= . a
  • 3. 亳仄亠 1: 2 3+1 x +3x+2=0 x 1,2= 2 a=1,b=3,c=2 x 1= 3+1 =1 2 3賊 3 412 2 x 1,2= x 2= 4 =2 21 2 3賊 98 M ={1,2} x 1,2= 2
  • 4. 亳仄亠 2: 2 x +x12=0 1賊7 x 1,2= a=1,b=1,c=12 2 6 1賊 1 41(12) 2 x 1= =3 2 x 1,2= 21 1賊 1+48 17 8 x 1,2= x 2= = =4 2 2 2
  • 5. 亰舒弍仂亳仍: 亠仆仂: 丱亳亳舒仆 亳舒仆舒 弌仂从仂于从亳 于舒仆仂于从舒