Linear Equations and Systems

The graphs of two linear equations are shown. What is the best estimate of the solution to the system of linear equations?

• (0, 3)

• (3, 0)

• (0, -3)

• (-3, 3)

• (-3, 0)

Tags

CCSS.8.EE.C.8B

The graphs of two linear equations are shown. What is the best estimate of the solution to the system of equations?

• (0, 2)

• (2, 0)

• (2, -2)

• (-2, -2)

• (-2, 2)

Tags

CCSS.8.EE.C.8B

The graph of two linear equations is shown. What is the best estimate to the solution of the system of equations?

• (2, 1)

• (1, 2)

• (-4, 2)

• (2, 4)

• (4, 2)

Tags

CCSS.8.EE.C.8B

What is the solution to this system of equations?

y = -1/2x and y + 1/2x = 0

• The only solution is (0, -1/2)

• There is no solution.

• There are infinitely many solutions.

• The only solution is (0, 0)

Tags

CCSS.8.EE.C.8B

What is the value of the x-coordinate to the solution to this system of linear equations?

2x + 3y = 15 and -x + 3y = 3

• 3

• -3

• 6

• 4

Tags

CCSS.HSA.REI.C.9

What is the value of the y-coordinate in this system of linear equations?

6x + 10y = -32 and 6x + 9y = -27

• y = 5

• y = 0

• y = -5

• y = 1

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

What is the value of the x-coordinate in this system of linear equations?

2x + y = 12 and -3x + y = 2

• 10

• 14

• 8

• 2

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

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

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

Tags

CCSS.8.EE.C.8A

Solve for x and y
3x + 2y = 16
7x + y = 19

• (-2,5)
• (-2,-5)
• (2,-5)
• (2,5)

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

If a system of linear equations has one solution, what does this mean about the two lines? 

• Parallel lines
• the same line 
• Intersecting lines

Tags

CCSS.8.EE.C.8A