Unit 2 Review

2.1

100

(x-3) (x+5) 

x² + 2x -15

+600 pts

200

(x+2) (x+2) 

x² + 4x +4

trade points with a team

300

Subtract

(3x² + 2x) - (-3x² -6)

6x² + 2x + 6

make a team lose all their pts

400

(3a + 3)²

9a²+18a +9

+700 pts

500

(7a -2)²

49a² - 28a + 4

+900 pts

2.2

100

Factor 

3x² + 27x

3x (x + 9)

make 2 teams swap their points

200

Factor

2x² -14x + 24

2(x-4) (x-3)

go to 2000 wherever you are 

300

Factor by grouping

28xy-49x-24y+42

(7x-6y) (4y-7)

drop to 0

400

Factor the binomial.

81x²-49y²

(9x-7y) (9x+7y)

double your points, triple if you sing a song

500

Factor.

3x² - 3x

3x(x-1)

+1000 pts

2.3

100

Solve.

5x²-2x=0

x=0

x= 2/5

+700 pts

200

Solve. 

x² +4 = 85

x= 9, -9

+800 and make a team lose 500

300

Use the quadratic formula.

3x²+2x-1=0

1/3

-1

triple your points

400

Free points

+1500

500

(2x-3)² = 25

x= 4

x= -1

make a team lose all their points

Unit 1

100

a² x a³ / a⁴

a

+800 pts

200

2 + 2x < 10 and 5x +10 > 20

(2, 4) 

make a team lose 1000 pts

300

|8x +6| =2 

x= -1/2 x= -1

+700 pts

400

(4x³ + 3x²)⁰

1

swap points with a team

500

a^-2 / a⁴

1/a⁶

make a team win 1000 pts

Extra

100

When is the 2.4 quiz?

12/06

+1000 pts

200

Did Mickey Mouse wear suspenders? 

No.

+800 pts

300

Who is playing the first match of the world cup?

Ecuador vs Qatar

+800 pts

400

Did the robber emoji exist?

never did

+700 pts

500

Que significa

Esternocleidomastoideo

parte del cuello

lead by 100 pts