Unit 11 & 12 Review

The solution to a system of equations is any ordered pair that makes both equations true. 

• TRUE
• FALSE

^{What is the solution?} 

• 1
• -2
• (1, 2)
• (1, -1)

This system has _____ solutions

• 0
• 1
• 2
• Infinitely many

Solve this system by substitution.

• (1, -4)

• (1, 4)

• (-4, -7)

• (-7, -4)

Solve using elimination. 
−4x − 4y = 0
4x + 4y = 0 

• (−6, −4) 
• Infinite number of solutions  
• (−6, 10) 
• (6, 4) 

2x-y=4

y=-2x+8.

What is the value of x in the solution for this system?

Type in only the number

2x-y=4

y=-2x+8.

What is the value of y in the solution for this system?

Type in only the number

Which ordered pair(s) is a solution to the given system?

• (5, -5)
• (0,0)
• (-5, -2)
• (3,-3)

Which ordered pair(s) is a solution to the given system?

• (5,0)
• (1,-3)
• (3,3)
• (2,1)

When you graph an inequality, you used a solid line when you use which symbols?

• ≤, ≥

• <, >