Systems Of Equations

4x - 2y = 7 and x + 2y = 3, what are x and y?

• x = 2, y = 2
• x = 1/2, y = 2
• x = 2, y = 1/2
• x = 2, y = -2

The system y = 1/3x + 5 and y = 1/3x - 7 is what type of system?

• Inconsistent
• Dependent
• Consistent
• Independent

If 3x - 2y = 14 and 2x + 2y = 6, what are x and y?

• x = 1, y = 2
• x = 2, y = 1
• x = -4, y = 1
• x = 4, y = -1

If a system of equations has no solution (empty set), what does the graph look like? 

• intersecting lines
• parallel lines
• skew lines
• intersecting lines

 What is the correct first step to solve this system of equations?
4x - 3y = -10
2x + 3y = 4 

• subtract the 2 equations 
• multiply the second equation by 3
• divide the first equation by 4
• add the 2 equations together

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

If elimination is the method used to solve this system of equations, what is the result of the first step?
x + y = 6
x - y = 2 

• 2x = 8
• 2y = 8
• x + y = 8
• x - y = 8

Select the ordered pair that is a solution to this system of equations.
2x + y = 7
3x - 4y = 5 

• (-1,9)
• (1,-9)
• (3,1)
• (-3,-1)

What is the value of the y-coordinate of the solution to the system of equations 
x-2y=1
x+4y=7 

• 1
• -1
• 3
• 4

Describe the following system:
y = -1/2x - 5
x+2y=-10

• It is impossible to determine.
• Consistent, Independent
• Consistent, Dependent
• Inconsistent

Solve the following system:
x + y = 9
x = -y + 5

• (9,5)
• (7,2)
• Dependent System (Infinity)
• Inconsistent System (Empty Set)