Elimination

What is the slope of the linear equation:
y = -5x + 6?

• 1/5
• 6
• -5x
• -5

Tags

CCSS.8.EE.B.5

If two lines are parallel how many solutions do they have?

• 1
• 2
• infinite
• none

What is the solution to the system of equations graphed?

• (-1, -4)
• (-1, -3)
• (-3, -1)
• (-4, -1)

What is the solution to this system?

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

Solve by elimination:
7x+y=-9

-3x-y=5

• No solution
• (1,8)
• (-2,-3)
• (-1,-2)

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

Solve by elimination:
-x+2y=17

2x+2y=-10

• ARN
• (-9,4)
• (-9,-4)
• (9,-4)

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

Given the equation
4x + 2y = 10 (standard form), what is the slope-intercept form of this equations?

• y = 2x + 5
• y = -2x + 5
• y = 4x + 10
• y = -2x - 10

What type of lines do not have a solution to a system of equations?

• Parallel Lines
• Coinciding Lines
• Intersecting Lines

Tags

CCSS.8.EE.C.8A

What type of lines have one solution to a system of equations?

• Parallel Lines
• Coinciding Lines
• Intersecting Lines
• Same Lines

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

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