Period 6th

Linear Equations

100

7n+3 = 27

n=6

200

8n-3=2n+39

n=7

300

5x+15y=9

x=9/5-3y

400

5n-16=n+20

n=9

500

2(m-n)²+3p

9

Systems of Equations

100

What is n?

7n+3=24

n=3

200

What is n?

3n-5=10+5

n=5

300

What is n?

6n+5=41

n=6

400

Is (1,8) a solution to this system of equations?

y=x+7     y=6x+2             

yes or no 

yes

500

What is the solution of this equation? 

y=2x+2

y=2(-3)+2=-4

-3 and -4

Inequalities

100

2x-5<1

x<3

200

3(x-6)+2>=5x-4

x>=-2

300

What is x?

3x+11=23

x=4

400

2-3y>16

y<-14/3

500

2(1-x)+5<=3(2x-1)

x<=5/4

Quadratic Equations

100

x² -5x+=0

x=2 and x=3

200

If 3x²⁼48 what is the value of x ?

A.4

B.8

C.16

D.0 OR 4 

X=4 OR -4

300

A concrete is designed so the length is 5 ft or more than the width. The area of this slab is represented by the equation W²-3W-30=24 What is the length of the slab in ft.

A.6      B.9

C.11    D.14

W=9

400

x²+4x+4=0

x=2

500

What is X?

3x²+2x-6=0

x= -2.4

Exponential Functions

100

What is the Exponential Function of this division problem?

-9^{2 /} 3⁴

-1

200

5³x-2=125²x

X=-2/3

300

32x-2=64

X=16/5

400

f= (-1) = 3^-1

1/3

500

f (1) = 2¹+2 

4