Is the Ordered Pair a Solution to the 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

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

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

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

 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

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

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

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

Which of the following is not a method to solve systems?

• Elimination
• Difference of Squares
• Substitution
• Graphing

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

Solve the system of equations using your graphing calculator.
y = x
y = (-2/3)x + 5
What does the graph look like? 

• 2 lines intersecting at (4,4)
• 2 lines intersecting at (-4,-4)
• 2 lines intersecting at (3,3)
• 2 lines intersecting at (-3,-3)

Tags

CCSS.8.EE.C.8B

Solve for x and y
y = 2x + 1
y = 4x - 1

• (1,3)
• (-1,-3)
• (-1,3)
• (3,1)

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

What is the solution to the system of equations? 
y = 3x - 8
y = 4 - x

• (3,1)
• (1,3)
• (-3,1)
• (3,-1)

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6