marking period 4

standard form

100

-2x⁴+6x⁴

4x⁴

200

10-3x²+10x²

10+7x²

300

2x²+5x²-3x³

7x²-3x³

400

-12+10x+3x²-10x²

-7x²+10x-12

add/sub polynomials

100

(5a+4)-(5a+3)

a²+11a+28

200

(7+2m²)+(2m²-2)

5+4m²

300

(4r³+3r⁴)-(r⁴-5r³)

9r³+2r4

400

-10(p+a)+8(p-1)-3a

-2p-13a-8

multiply polynomials

100

(a+4)(a+7)

a2+11a+28

200

(x+6)(x-3)

x²+3x-18

300

(2x-6)(x+2)

2x²-2x-12

400

(4x+1)(3x-4)

12x²-13x-4

determine the correlation

100

the more you use your phone and the battery left on it

negitive

200

the more pink shirts you our and how fast a cat eats its food

no correlation

300

the more apples you pick and how much apple sauce you can make

positive 

400

the colder the weather and the need for a jacket 

positive 

write the equation given 2 points

100

(1,-7) (-5,0)

y-7/6x+-35/6

200

(8,6) (8,5)

x=8

300

(2,-7) (-9,9)

y=-16/11x-45/11

400

(5,-6) (-4,2)

y=-8/9x-14/9