Unit 2 Self-Assessment

How much is the triangle worth?

• 8

• 2

• 6

• 4

Solve for n:

How many solutions does the system have?

 $y=6x+4$  

 $y=6x+4$  

• Infinitely Many Solutions 

• No Solution 

• One Solution 

• Two Solutions 

 $y=6x+3$   $y=6x+\frac{1}{7}$  

How many solutions does this system have?

• Infinitely many solutions 

• One Solution 

• No Solutions 

• 2 Solutions 

 $x+y=10$   $x+y=18$  

How many solutions does this system have?

• No Solutions 

• Infinitely Many Solutions 

• 2 Solutions 

• 1 Solution 

 $y=3x+8$   $y=\frac{1}{2}x+2$  

How many solutions does this system have?

• One Solutions 

• 2 Solutions 

• Infinitely Many Solutions 

• No Solutions 

Is the points (-4, 4) a solution to the system of equations?

• Yes

• No

Tags

CCSS.HSA.REI.C.6

CCSS.HSA.REI.D.10

Is the point (2, -1) a solution to the systems of equations below?

y=5x+3

y=-2x-4

• Yes

• No

Tags

CCSS.HSA.REI.C.6

CCSS.HSA.REI.D.11

 $y=-3x+5$  

 $5x-4y=-3$  

Solve the system using substitution

Gabriel and Francisco are both saving up money. Gabriel starts with $30 and saves $10 per week. Francisco starts with $50 and saves $5 per week. After how many weeks will Gabriel and Francisco have the same amount of money?