Review of Graphing Systems and Elimination

What is the solution to this system of equations? Solve by substitution or graphing.

• (7, -8)

• (-7, 8)

• (-7, -8)

• (7, 8)

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

When using any of the 3 methods to solve a system of linear equations the resulting solution is the same no matter which method is used.

• True; using any method will result in the correct solution.

• False; the solution varies because the solution depends on which method is used.

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

Which of the following best describes this graph?

• Consistent and Dependent

• Consistent and Independent

• Inconsistent and Independent

• Inconsistent and Dependent

Tags

CCSS.8.EE.C.8A

Which variable is best to eliminate"
3x - 6y = 15
-3x + 8y = 19

• x

• y

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

When using elimination to solve this system, which operation should be used to eliminate the x?
4x + 3y = 24
4x - 6y = 18

• Addition

• Subtraction

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

What is the sum of the x and y coordinates for the solution to this system?

• 2

• 3

• (2,1)

• (1,2)

Tags

CCSS.8.EE.C.8B

What is the solution to the following system?
-2x + y = 4
3y = 6x + 12 

• (2, 3)

• (12, 20)

• No Solution

• Infinitely Many Solutions

Tags

CCSS.8.EE.C.8B

How many solutions does the following system have?
y = -3x + 10
y = -3x - 7

• One Solution

• No Solution

• Infinitely Many Solutions

• It can not be solved

Tags

CCSS.8.EE.C.8B

What is the best method to solve the system
y = -3x + 8
y = -3x - 10

• Elimination

• Substitution

• Graphing

• Any of the 3 methods

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

When you graph the exact same equation twice,

• you will have no solution. 

• you will have one solution.

• you will have infinite solutions. 

• you will graph a giraffe. 

Tags

CCSS.8.EE.C.8B