Coach John 4th period Cameron Gizelle Mikala Dequaris

Systems of Equations

100

Solve the problem

2x-y=-5

y=1-3x

x=1

y=-2

200

Solve the problem

3x-y=13

3y-2x=-4

x=5

y=2

300

Solve the problem

5u-6u=-2

7u+18u=2

x=-1

y=1/2

400

Solve the problem

4(x+2)-7(x-y)=7

7(x+y)+10(x-2)=79

x=5

y=2

500

Solve the problem

8x-5y+16=0

1x+3y-17=0

x=1/2

y=4

Linear Equations

100

Find the domain of a line that goes through the (0,7) function ?

x=0

200

What is the range of (10,30) ?

x=30

300

Solve the problem 

3x+4=19 What is x?

x=5

400

A girl had an apple for each time she went to lunch but she began with 6. How many did she have after 3 weeks ?

x=27

500

What is the equation used for slope intercept for ?

y=mx=b

m=slope

x,y=points

Inequalities

100

Solve the problem

3y<15

y<5

200

Solve the problem

-2y<-8

y>4

300

Solve the problem

x+3<7

x<4

400

Solve the problem

-3x+5 < -16

x>7

500

Solve the problem

x+7<15

x<8

Quadratic Equations

100

Solve the problem

x² -12 + 35 =0   

(x-5)(x-7)

200

Solve the problem

x²-13x+12=0

So the roots are x₁=1 and x₂=12

300

Solve the problem

x²-3x+2=0

x₁=1 and x₂=2 

the lesser one is obviously 1

400

Solve the problem

x²-7x+12=0

The roots are x₁=3 and x₂=4

500

Solve the problem

x²+14x+45=0

The roots for  x₁=-5 

The roots for x₂=-9

Exponential Functions

100

Solve the problem

2^x=32 What is x ?

x=5

200

Solve the problem 

5^x=1/125 What is x?

x=-3

300

Solve the problem

(1/3)^2x=243 What is x?

x=-3

400

Solve the problem

45=5^3x What is x?

x=0.7884

500

Solve the problem

500=1000e^-75x What is x?

x=0.9242