Ms.Juan 8th pd. Team #4

Linear Equations

100

what is x-int  and y- int?

y=5x+5

x-int = 1 

y-int = 5

200

what is the y-int and x-int ?

y=2/3x+30 

x-int=20 

y-int=30

300

What is the value of X ? 

7x+2=54

X=8

400

What is the value of y ?

y+11=9

y =-2 

500

what is the value of n ? 

11n - 8n=6

a= 1 

Solving Equality

100

5-x<4

X>1

200

4-6>=-15+1

X<=3

300

6>= 2 (X-4)

7>=x

400

-3x-8 >-26

x>6

500

5y<150

y<30

exponential

100

5³=5^7x-2 

^{value of x?}

x=1/2

200

7x=9

no solutions

300

2^4y+1-3y=

answer=0

400

2(4y+1)=3y

y=-2/5

500

-2+4=1/8+4 

what is the solutions?

answers 4.125

Quadratic Functions

100

Determine the domain and range.   

y=3x²⁺6x-4

range y<=-7  

 domain is all real numbers

200

y=2x²+4x-3    

find the equations of the axis of symmetry?

X=1

300

State the value of the functions? 

F(x)=2x²-4x+6

F(-1)=8

400

Find the y intercept? 

F(x)=x²+4x+3

answer=3

500

What is the vertex?

H(x)=-16x²+48x+6

answer (3/2,42)