Final Review

Matrices

100

[10 15]+[8 9] [9 8]+[20 5]

[18 24] [29 13]

200

[20 10]-[9 7] [1 4]-[6 5]

[11 3] [-5 -1]

300

[3 6]x[8 6] [8 5]x[7 2]

[66 30] [99 58]

400

[25 18 10]+[2 3 4] [5 8 9]+[5 7 9] [3 4 2]+[1 0 -5]

[27 21 14] [10 15 18] [4 4 -3]

500

4[2 10]+ 3[15 12] [25 18] [8 5]

[53 76] [124 87]

Domain And Range

100

(3,4) (10,12) (6,7)

D:3,10,6 R:4,12,7

200

(-25,100) (10,15) (30,20)

D:-25,10,30 R:100,15,20

300

(2,-40) (12,14) (-3,5)

D:2,12,-3 R:-40,14,3

400

(21/2,18/3) (26/5,52/10) (35/15,18/20)

d:21/2,26/5,35/15 r:18/3,52/10,18/20

500

(0.5,10) (3.5,25) (2.5,30)

D:0.5,3.5,2.5 R:10,25,30

Polynomial

100

(2x^2+10+3x)+(5x^2+20+4x)

7x^2+30+7X

200

(y^2-5+6x) + (3y^2+10+7x)

(4y^2+5+13x)

300

(-x^2+25x) +(3x^2-15+20x)

2x^2-15+45x

400

(35+4x+72x^2)-(40+6x+10x^2)

(-5-2x+62x^2 )

500

(12x+x^2) - (25x-10+4x^2)

(-13x-10-3x^2)

Simplify Expression

100

[3(2+5)^2-4]/8

17.875

200

2(10-4)^2+3]/5

15

300

[25(40+5)^2-15]/2

25305

400

[x^3-y(y+x)] x=6 y=4.5

168.75

500

[3(25+55)^2-15]/5

3837

Is It A Function

100

(4,5) (4,2) (3,0)

no x-value repeats

200

(6,10) (0,7) (5,9)

yes x-value does not repeat

300

(25,7) (16,12) (6,4) (1,7)

yes

400

(4.6,2.5) (3.7,4.9)

yes x-values do not repeat

500

(78,5) (96,4) (60,79) (78,45)

no x-value repeats