Algebra

Solving Systems by SubstitutionFIND X

100

y=3x+2

y=7x-6

x=2

200

y=5

y=x+4

x=1

300

y=4x-3

y=2x+9

x=6

400

y=x-1

y=2x+2

x=-3

500

y=x+6

y=2x+7

x=-1

Square Roots

100

√196

14

200

√81

9

300

7 √80

62.6

400

√48

6.92

500

4 √98

39.59

Multiplying Polynomials

100

(y-8)(y+1)

y²-7y-8

200

(x-5)(x+5)

x²-25

300

(2x+3)(5x-9)

10x²-3x-27

400

(c+7)(c-7)

c²-49

500

(3x-5)(6x+5)

18x²+15x-25

Factoring Trinomials

100

x²+8x+15

(x+3)(x+5)

200

6x²-8x-8

2(3x+2)(x-2)

300

30x²-8x-6

2(3x+1)(5x-3)

400

x²+15x+54

(x+6)(x+9)

500

3x²+5x+2

(3x+2)(x+1)

Solving Systems by EliminationFIND Y

100

2x+5y=27

6x-5y=-19

y=5

200

2x+5y=-6

-2x+3y=22

y=2

300

-4x-5y=4

4x+3y=12

y=-8

400

7x-10y=-5

5x-9y=2

y=-3

500

54x-18y=0

-54x-72y=-270

y=3