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

Which point below is NOT part of the solution set?

• (0, 0)
• (-10, -10)
• (-1, -1)
• (5, 20)

Tags

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

Solve the system of equations:
x + y + z = 4
x = -2y
z = -3y

• (2, -1, 3)
• (2, 3, 1)
• None of these
• (4, 1, -1)

Tags

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

Solve the system by multiplication:
8x + 4y = 12
y = -2x + 3

• (0,3)
• (3,0)
• No solution(parallel lines)
• Infinitely many solutions

Tags

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

In a pasture, there are horses and chickens. If there are a total of 28 animals and 80 legs, how many chickens and horses are there?

• 10 horses, 18 chickens
• 16 horses, 12 chickens
• 12 horses, 16 chickens
• 18 horses, 10 chickens

Tags

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

a solution to a system of equations that results in no x or y value that will satisfy both equations

• No Solution
• One Solution
• Infinite Solutions
• Beyond Solutions

Tags

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

5x - y = 11

2x - 2y = 9

Based on the system above, what is the value of 3x + y?

• -2

• 0

• 2

• 4

Tags

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

Solve for (x,y)

-2x + 6y = 16

-4x - 3y = 2

• (2,2)

• (-2, -2)

• (-2,2)

• (2,1)

Tags

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

Solve for x & y.

• x = 25, y = 14

• x = 27, y = 7

• x = 3, y = 9

• x = 2, y = 7

Tags

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

Solve by elimination:
 $-6x+6y=6$ 
  $-6x+3y=-12$  

• (-5, 6)

• (5, -6)

• (-5, -6)

• (5, 6)

Tags

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

Now, our equations will look like this

-4x - 6y = -24

4x - 7y = - 54

Let's combine (add) these 2 equations to ELIMINATE the x variable. What would our combined equations be?

• -1y = 30

• 13y = -30

• -1y = -78

• -13y = -78

Tags

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