Graphing, Substitution, and Elimination Review

• There is one solution at (-5, 2)

• There is no solution.

• There is an infinite number of solutions.

• There is one solution at (2, -5)

Tags

CCSS.8.EE.C.8B

What is the solution to the system?

• (3, -1)
• (2, -6)
• No Solution 
• (6, -2)

Tags

CCSS.8.EE.C.8B

• Multiply the second equation by 2 and add the resulting equations.

• Multiply the second equation by -2 and add the resulting equations.

• Multiply the first equation by -5 and the second equation by -7 and add the resulting equations.

• Multiply the first equation by -7 and the second equation by -5 and add the resulting equations.

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

• (2,5)

• (2,11)

• (-2,-11)

• (-2,11)

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

Does the system have one, none or infinite solutions?
8x + 4y = 12
y = -2x + 3

• (0,3)
• (3,0)
• No solution(parallel lines)
• Infinitely many solutions

Tags

CCSS.8.EE.C.8B

When solving a system of equations algebraically, which statement results in infinite solutions?

• 4 = 7

• 2 = 2

• -3 = 3

• all of the above

Tags

CCSS.8.EE.C.8B

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

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

What system of equations would lead to this solution?

Tags

CCSS.8.EE.C.8B