Solving Linear Systems

Solve the system of equations.
y = 4x+1
3x + 2y = 13

• (1, 5)
• (5, 1)
• (0.25, 2)
• ∅

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

Solve the system of equations.
x + 2y = -3
x - y = -12

• (-9, 3)
• (-7 ,5)
• (3, 15)
• (9, 6)

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

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:
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

Solve:
x + y = 4
-5x - 6y = -18

• (6, -2)
• (-6, 10)
• (2, 2)
• (-2, 6)

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

Solve:
-2x + 5y = -1
4x - 2y = -6

• (-2, -1)
• (2, 7)
• (3, 1)
• (-1, -2)

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

What is a solution of a linear system if the lines are the same?

• One solution
• No solution
• Infinitely Many solutions

Tags

CCSS.8.EE.C.8A

What is the solution of a linear system that has parallel lines?

• One solution
• No solution
• Infinitely Many solutions

Tags

CCSS.8.EE.C.8B

What is a solution of a linear system?

• the slope of the line
• the y-intercept
• the point where the systems intersect
• the rise over tun

Tags

CCSS.8.EE.C.8B