AlgeBruh

Unit 1

100

Simplify the expression 

17m-6m+12

11m+12

200

Simplify the expression

6x²·4+7x-2x+3x-8

4x²+10x-12

300

simplify by distributing

12(x+3)

 

12x+36

400

simplify by distributing 

x(y-4)

xy-4x

500

8(2x-3)-6x

10x-24

Unit 2

100

-7x+8<(or equal to) 1

x>(or equal to) 1

200

x/6 + 2 >-1

x>-18

300

6x-5<2x+11

x<4

400

-2(3c-7)<(or equal to) 10(c+3) 

c>(or equal to) -1

500

3x+2 < -4

x<-2

Unit 3

100

Is this a function?

(3,5), (4,1), (5,3)

YES

200

Is this a function?

(3,4), (3,5), (2,6), (4,3), (1,2)

NO, it is not a function

300

f(x)=2/3x-6

x=9

400

f(x)= -x+7 

X=7

500

2-(-2) divided 3-(-3) = 4/6

2/3

Unit 5

100

y=x+5

x-y=2

No solution 

200

y=x-8

y=-2x+1

(3,-5)

300

-x+y=3

3x+y=-1

(-1,2)

400

-3x+y=8

-x+y=-2

(-5,-7)

500

3x-5y=-35

2x+y=-6

(-5,4)

Uni6

100

17x-25

-8x

200

from -9cd², subtract -2cd²

7cd²

300

10m²n+7mn²-m²n

9m²n+7mn²

400

38x²y-x²y

37x²y

500

3y+9z+9y-3z

7y+62