PONCE FIRST-SECOND DEGREE EQUATIONS

EQUATIONS

100

2-x= 13

-11

200

(z+3)/2= -1

-5

300

3(x+1)+4x=26

x= 3 2/7

400

8=1/3T+2

t=18

500

(3x-1)/20 - (2(x+3))/5= (4x+2)/15 -5

x=7

EQUATIONS

100

-x/2=-9

18

200

3x+2=4x-7

x=9

300

x/7=3 1/7

x=22

400

5x-3(2x+1)=6(x-4)-7

x=4

500

x- 1/5= 2x/3 - 13x/15 +1

15/14

EQUATIONS

100

3y-20=1/2

y=41/6

200

2x+7+8x=13

x= 3/5

300

3(4-y)=2(y+5)

y=2/5

400

x/2+1/5=1- x/5+ 3x/10

x=2

500

(x-2)/10- 3x-1/8= (2(x+1))/5-1

7/9

2nd DEGREE EQUATIONS

100

Calculate:

x ²+ 2x + 13 = 0

No solution.

200

Calculate:

 x² – 4x + 4 = 0

X=2 Double solution 

300

Calculate:

2x² – 7x + 6 = 0

Solution:

 x ₁= 2; x ₂= 3/2

400

Calculate:

x² – 3x – 5 = 2x + 9

Solutions 

 x₁= 7; x₂= –2

500

Calculate:

x (x + 1) – 1/2= (x-4)/6

x₁ =-1/2

x₂ = -1/3