CCSS.Math.Content.8.EE.C.8

Solve the system:
   2x + 5y = 4
   3x + 5y = 1

• (-3, 2)
• (1, -2/5)
• (-2/5, 1)
• (2, -3)

Tags

CCSS.Math.Content.8.EE.C.8

Erin is 3 years younger than twice Alex's age. Their ages combined are 33 years. How old are Alex and Erin. If x=Erin's age and y=Alex's age, choose the system that matches the situation.

• x + y = 33
  y = 2x - 3
• x + y = 33
  x = 2y - 3
• x + y = 33
  x = 3 - 2y
• x + y = 3
  x = 33 - 2y

Tags

CCSS.Math.Content.8.EE.C.8

A linear system has infinitely many solutions when the graphs of the equations are _____________.

• not identical
• parallel
• identical
• one point

Tags

CCSS.Math.Content.8.EE.C.8

y = -3x + 11
5x + y = 21

• (1, -5)
• (1, 5)
• (-4, 5)
• (5, -4)

Tags

CCSS.Math.Content.8.EE.C.8

Which method would be best (based on their  for solving the system below:
y = 2x - 5
y = (-1/4)x + 17

• Graphing
• Elimination
• Not possible

Tags

CCSS.Math.Content.8.EE.C.8

Solve by elimination
-12x-4y= -8 
  -6x-2y= -4

• no solution 
• (0,0)
• infinite solutions 
• (4,0)

Tags

CCSS.Math.Content.8.EE.C.8

What is the solution to the system?

• (0, 3)
• (1, -1)
• (-3, 1)
• (1, 3)

Tags

CCSS.Math.Content.8.EE.C.8

Solve the following system by graphing.  What is the solution?

• (-4, 2)
• (4, 2)
• (2, -4)
• (2, 4)

Tags

CCSS.Math.Content.8.EE.C.8

The solution (x, y) to a system of equations is the point where they...? 

• Run off the graph
• Don't touch
• Intersect
• Exist

Tags

CCSS.Math.Content.HSA.REI.C.6

CCSS.Math.Content.HSA.REI.D.11

CCSS.Math.Content.8.EE.C.8

Solve the following system by graphing.  What is the solution?

• (3, -2)
• (3, -3)
• (-3, 2)
• (-3, -2)

Tags

CCSS.Math.Content.8.EE.C.8