534
1. 3x^2-7x+4=0
D=49-48
D=1
x1=(7+1)/6=4/3
x2=(7-1)/6=1
2. 5x^2-8x+3=0
D=64-60
D=4
x1=(8-2)/10=3/5
x2=(8+2)/10=1
3. 3x^2-13x+14=0
D= 169-168
D=1
x1=(13-1)/6=2
x2=(13+1)/6=7/3
4. 2y^2-9y+10=0
D= 81-80
D=1
x1=(9-1)/4=2
x2=(9+1)/4=5/4
5.
6.4x+x-33=0
D=1+528
D=529
x1=(1-23)/8=11/4
x2=(1+23)/8=11/4
7. y^2-10y-24=0
D=100+96
D=196
x1=(10+14)/2=12
x2=(10-14)/2=-2
535
1. 14x^2-5x-1=0
D=25+56
D=81
x1=(5+9)/28=1/2
x2=(5-9)/28=1/7
2.
3.
4. 81p^2-18y+1=0
D=324-324
D=0
x=18/162=1/9
5. y^2-11y-152=0
D=121+608
D=729
x1=(11-27)/2=8
x2=(11+27)/2=19
6. 3x^2-x+18=0
D=1-216
Немає розвязку
536
1. 5x^2-11x+2=0
D=121-40
D=81
x1=(11-9)/10=1/5
x2=(11+9)/10=2
2. 2p^2+7p-30=0
D=49+240
D=289
x1=(-7+17)/4=5/2
x2=(-7-17)/4=-6
3.
4. 35x^2+2x-1=0
D=4+140
D=144
x1=(-2+12)/70=1/7
x2=(-2-12)/70=1/5
5.2y^2-y-5=0
D=1+80
D=81
x1=(1-9)/4=-2
x2=(1+9)/4=5/2
6. 16x^2-8x+1=0
D=64-64
D=0
x=8/32=1/4
