Systems of Equations Practice

Lesly graphed two lines in order to find the solution to a given system of equations.
What is the solution?

• (-3,-8)
• (-8,-3)
• (3,-8)
• (8,3)

Tags

CCSS.HSA.CED.A.2

CCSS.HSA.REI.C.6

CCSS.HSA.REI.D.10

CCSS.HSA.REI.D.11

Solve by elimination 
5x+6y= -10
3x-2y= -6

• (-2,0)
• (0,-2)
• (2,0)
• (0,2)

Tags

CCSS.HSA.REI.C.6

CCSS.8.EE.C.8B

What is the solution to this system?
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:

y = 7x + 9

2y + 2x = -14

• (5, 0)

• (9, 18)

• (-2, -5)

• (1, 16)

How many solutions?

• One Solution
• No solution
• Infinitely Many Solutions

Tags

CCSS.8.EE.C.8A

How many solutions does this system of equations have?

• One Solution
• No solution
• Infinitely Many Solutions
• Two 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 the following equations by substitution:
y=-x
y= -2x-1

• infinite solutions
• (-1, 1)
• (1, -1)
• (-1,-1)

Solve the following system by substitution:
y= 2x-4
2y+6= 6x

• (-1, -6)
• (1, -2)
• (-1,-4)
• (-4, -12)

Solve the system by elimination:
7x+y=6
10x+y=12

• (1,-1)
• (2,8)
• (2, -8)
• (1, 15)