Coach John/(First period: Latricia, Karynna,Darryan, Ashanti

Systems of equations (karryna(

100

Y+4x=8

5x+2y=13

X=1

Y=4

200

0.25x-0.04y=1

0.4x+1.5y=40.7

X=8 y=25

300

8x-5y+16=0

1x+3y-17=0

X=1/2 y=4

400

2x+9y=0

3x+5y=17

​

Y=-2

X=9

500

4y+2x=5

X=8-2y

No solution 

Inequalities (Latricia)

100

Sam and Alex play on the same soccer team. Last Saturday Alex score 3 more Goals than Sam but together they scored less than 9 goals what are the possible numbers of goals Alex scored ?

Alex could have scored 3,4,5,6,7,8 goals

200

 If Mr. Jackson charge 75 for each car he details and 25 for each car wash what is the maximum amount of money he could have on in one day ?

(2,3)

300

Solve the inequality:

2+5 > 2

       

2 >-2

400

Solve:

2x+3<x

X<-3

500

Solve the inequality:

4(x-1) < 3(x+1)

X<7

Linear equations (Darryan)

100

4a=11-3

a=2

200

1/3y=5/12-1/4

Y=1/2

300

2d=3/5-1/5

d=1/5

400

1-1/2=2x

1/4

500

6h=17+7

h=4

Exponential functions (Ashanti)

100

Leonardo  purchases a car for  $18,995. The car depreciates at a date of 18% annually. After 6years Manuel offers to buy the car fore $4,500. Should Leonardo sell the car?

No

200

Which one is not a exponential function?

A- f(x)=3e^-2x

B- g(x)=2^x/2

C- h(x)=x^3/2

C

300

Sally was driving for 12 hours, each hour she went 10mph faster. Linear or exponential??

Exponential 

400

 When looking at a table of values how can you determine if the table is an exponential function ?

 The pattern of multiplication is constant 

500

 F(x)=1/3x6^x at x=2

12

Quadratic Functions

100

 Find the minimum value:

 f(x)=2x²+3x-5

-49/8

200

1/27=9^5x-7

11/10=x

300

(4/5)^x =6^1-x

X=1n6/(n(24/5)

400

3^x+1 =(3²)^x-3

X=7

500

5^x=1/25

X=-3