Group 7 (Team 7)

Quadratic Equations

100

(x+3)²-(2_x-1)²=0

what is x= -2/3 or x=4

200

20x^{2 -130x = -200}

x= 5/2 or x=4 

300

4x(2x+3)=36

x=3/2 or x= -3

400

(2x-5)(x+1)=-12x

x=1/2 or x=-5

500

x(x+4)= 32

x=4 or x-8

Inequalities

100

62.5t >= 82

t>= 19.5

200

x-12>=8

x>=20

300

m+19>56

m>37

400

5n>=4n+2p

n>=2p

500

3a + 6 <= 4a

6<=a

Linear Equations

100

104= y-67

y=171

200

-6+c=32

c=38

300

2/3n=10

n=15

400

-61=d+(-18)

d= -43

500

1/3v =-5

v= -15

System of equations

100

y=-3x+10

y=1

200

y=4x+2

y=10

300

x+y=12

y=12

400

-3x+5y=-11

y=-11

500

3x+7y=-1

y=-1

Exponential functions

100

simplify [(2³)²]⁴

2⁶⁴ or 2²⁴

200

Simplify (3xy⁴)²[(-2y)²]³​​​​

576x²y¹⁴

300

(6n³ )(2n⁷)

(12n¹⁰)

400

25^1/2​​​​

5

500

6.32x10⁹

6.32x10⁹=6,320,000,000