100道一元二次方程計(jì)算題

100道一元二次方程計(jì)算題

1.x=64

2.5x^2-22=0

3.(x+5)/5=16/22

4.8(3-x)-72=0

5.2y-3y=0

6.4x-2-3x+2x^2=0

7.3x^2-5x-10=0

8.(1-3y)^2+2(3y-1)=0

9.x^2+2x+3=0

10.x^2+6x-5=0

11.x^2-4x+3=0

12.x^2-2x-1=0

13.2x=0(delete)

14.3x^2+2x-1=0

15.5x^2-3x+2=0

16.7x=0(delete)

17.x^2-x+12=0

1.Solveforx:x=64.

2.Solveforx:5x^2-22=0.

3.Solveforx:(x+5)/5=16/22.

4.Solveforx:8(3-x)-72=0.

5.Solvefory:2y-3y=0.

6.Solveforx:4x-2-3x+2x^2=0.

7.Solveforx:3x^2-5x-10=0.

8.Solvefory:(1-3y)^2+2(3y-1)=0.

9.Solveforx:x^2+2x+3=0.

10.Solveforx:x^2+6x-5=0.

11.Solveforx:x^2-4x+3=0.

12.Solveforx:x^2-2x-1=0.

14.Solveforx:3x^2+2x-1=0.

15.Solveforx:5x^2-3x+2=0.

17.Solveforx:x^2-x+12=0.

1.2(2x-3)-3x(2x-3)=0

Simplifytheexpression:

4x-6-6x^2+9x=0

Rearrangeandfactorize:

-6x^2+3x+4x-6=0

-6x(x-1)+2(x-3)=0

(2-6x)(x-1)=0

Solveforx:

x=1/2orx=2/3

2.x-4x+4=0

Simplify:

-3x+4=0

Solveforx:

x=4/3

3.8y-2=4y

Simplify:

4y=2

Solvefory:

y=1/2

4.(y-2)=3

Solvefory:

y=5

5.(2x+3)=3(4x+3)

Simplify:

2x+3=12x+9

Rearrangeandsolveforx:

10x=-6

x=-3/5

6.x-3x-2=

Simplify:

-2x-2=0

Solveforx:

x=-1

7.(x-1)(x+2)=5

Expandandrearrange:

x^2+x-7=0

Solveforx:

x=-1+sqrt(29)orx=-1-sqrt(29)

8.2x^2=8

Simplify:

x^2=4

Solveforx:

x=2orx=-2

9.(x+1)^2=0

Solveforx:

x=-1

10.(2x-1)^2=1

Simplify:

4x^2-4x=0

Factorize:

4x(x-1)=0

Solveforx:

x=0orx=1

11.(2x+1)^2=3

Simplify:

4x^2+4x-2=0

Solveusingquadraticformula:

x=(-2+sqrt(10))/2orx=(-2-sqrt(10))/2

12.2x^2+3x-2=0

Factorize:

(2x-1)(x+2)=0

Solveforx:

x=1/2orx=-2

13.x^2+x-2=0

Factorize:

(x+2)(x-1)=0

Solveforx:

x=-2orx=1

14.x^2=16

Solveforx:

x=4orx=-4

15.2x^2=32

Simplify:

x^2=16

Solveforx:

x=4orx=-4

16.(x+1)^2=144

Simplify:

x^2+2x+1=144

Simplifyfurther:

x^2+2x-143=0

Solveusingquadraticformula:

x=11orx=-13

17.2x^2+3x-5=0

Factorize:

(2x-1)(x+5)=0

Solveforx:

x=1/2orx=-5

18.(x-2)(x-3)=46

Expandandrearrange:

x^2-5x+40=0

Solveusingquadraticformula:

x=8orx=5

19.6x^2=11x-34

Simplify:

6x^2-11x+34=0

Solveusingquadraticformula