jeprody

equations

100

3n+2=17

n=5

200

4x-7=13

x=5

300

5x+9=2x-3

x= - 4

400

2(3x-4)=16

x = 4

500

2/3 x + 4=10

x = 9

inequalities

100

-3+7>22

x < -5

200

x - 5 > 12

x >17

300

5x - 3 > 2x + 9

x >4

400

- 3x+7<22

x>-5

500

x/2 + 5 < 9

x<8

slope

100

y=2x+3

m=2

200

y=-1/2 x - 4

m =-1/2

300

3x + y =7

 m = -3

400

y = 5

m=0

500

x = -2

m= 0

functions

100

y = 3x +2

• If x = 0, then y = 2
• If x = 2 then y = 8

200

y = -4x

• If x = 0, then y = 0
• If x = 2, then y = -8

300

y = x² - 3

• If x = 0 then y = -3
• If x = 2, then y = 1

400

c= 15m +50

• If m = 0 months, cost C = 50
• If m = 2 months, cost C = 80

500

y =-1/2 x+4

• If x = 0, then y = 4
• If x = 2, then y = 3

geometry

100

3²⁺4²=c²

c = 5

200

50+70+x=180

x = 60

300

65+x = 180

x = 115

400

(2 - 3, 5 - 4)

( - 1,1)

500

v= 3.14 x 3² x 5

v = 141.3