Math Project

Function Notation

100

Given g(x)=3x+5, find g(-6)

-13

200

Given f(x)=21x+67, find f(13)

340

300

Given f(x) =123x+456, find f(12)

1932

400

Given f(x)=12.9x+57.76, find f(4.2)

111.94

500

Given f(x)=-2/8x+4/5, find f(-2/3)

29/30

Elimination

100

-10x-y=-29

10x+7y=23 You have to use elimination

(3,-1)

200

8x-27=-30

-9x+4y=18 You have to use elimination 

(-6,-9)

300

7x+14y=35

2x+2y=-8 You have to use elimnation

(-13,9)

400

12x+8y=-12

−2x-2y=-4 Use elimination 

(-7,9)

500

-4x-3y=-3

-7x-7y=0 Use elimination 

(3,-3)

Inequalities

100

3x−4>11

x>5

200

15+4x≤11

x≤-1

300

11+8x≥-45

x≥-7

400

9t+7>-9t-6

t>-13/18

500

−2≤−x+4<3

1<x≤6

Fractions

100

2/15*19/34

19/255

200

1/3*18/56 

simply to the nearest hundreth

≈0.11

300

14/13 ÷ 12/19 - 20/76

Round to the nearest hundredth then make it into a fraction 

≈36/25

400

3/4x - 7/2 = 5/6

52/9

500

-13/110 ÷ 190/232 + 120/4 - 13/14

Round to the nearest whole number 

≈29

Proportions

100

-3/5=15/x

-25

200

x/19=13/17

Round to the nearest tenth

x≈14.5

300

5/x+4=7/x-6

-29

400

x-18/12=x+10/15

130

500

999/x+187=123/x+456

Round to the nearest whole number

x≈-494