Ch. 3 Systems of Equations Practice (231)

The ordered pair that satisfies all equations in the system.

• system of equations
• function
• graph
• solution of a system

Tags

CCSS.HSA.REI.C.7

7x+4y =12 
x + 2y = -4

• (-4,4)
• (4,4)
• (4,-4)
• (-4,-4)

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

What is the solution?

• (1, -1)
• (-1, 1)
• (0, -2)
• (2, 0)

Tags

CCSS.8.EE.C.8B

x + 2y = -4
x - 2y = 8

• (2,5)
• (2,-3)
• (2,-2)
• (-3,2)

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

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

x - 2y = 4
3x +2y = 4

• (-2,-1)
• (4,-1)
• (2,-1)
• (4,1)

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

A ________________ is a set of two or more equations that have the same variables.

• solution of a system
• elimination method
• system of equations
• table

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

What kind of lines have an infinite number of solutions to a system of equations

• Parallell Lines
• Overlapping lines
• Intersecting Lines
• Skew Lines

Tags

CCSS.8.EE.C.8A

Alexandra finds that she can give 3 haircuts and 2 hair dyes in 315 minutes. Giving 2 haircuts and 4 hair dyes takes 450 minutes.  Which system of equations represents the situation?

• 3x + 2y = 315
  2x + 4y = 450
• 3x + 2y = 450
  2x + 4y = 315
• 2x + 2y = 315
  3x + 4y = 450

Tags

CCSS.8.EE.C.8C

Solve for x and y
3x + 2y = 16
7x + y = 19

• (-2,5)
• (-2,-5)
• (2,-5)
• (2,5)

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6