3rd period - solving systems

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

• (-2,5)

• (-2,-5)

• (2,-5)

• (2,5)

Tags

CCSS.HSA.REI.C.6

CCSS.8.EE.C.8B

Solve for x and y.
y = 2/3x - 2
y = -x + 3

• (0,3)

• (0,-3)

• (3,0)

• (-3,0)

Tags

CCSS.HSA.REI.C.6

CCSS.8.EE.C.8B

The solution is:

• (4, 3)

• (3, 4)

• (-4, 3)

• No solution

These two lines intersect at ______.

• (-8, -6)

• (-6, -8)

• (8, -6)

• No solution

Tags

CCSS.8.EE.C.8A

Solve using elimination. 
 4x + 8y = 20
-4x + 2y = -30

• (-7,1)

• (2,-5)

• (-2,5)

• (7,-1)

Tags

CCSS.HSA.REI.C.6

CCSS.8.EE.C.8B

Solve by elimination 
-2x + 6y = 16
-4x  - 3y = 2

• (2,2)

• (-2, -2) 

• (-2,2)

• (2,1)

Tags

CCSS.HSA.REI.C.6

CCSS.8.EE.C.8B

Solve by elimination:
4x+9y=28
-4x-y=-28

• (-7,0)

• (6,0)

• (-6,0)

• (7,0)

Tags

CCSS.HSA.REI.C.6

CCSS.8.EE.C.8B

4)  -6x+5y=1
           6x+4y=-10

• (1,1)

• (-1,-1)

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

• (-2,5)

• (-2,-5)

• (2,-5)

• (2,5)

Tags

CCSS.HSA.REI.C.6

CCSS.8.EE.C.8B

Solve for x and y
y = 2x + 1
y = 4x - 1

• (1,3)

• (-1,-3)

• (-1,3)

• (3,1)

Tags

CCSS.HSA.REI.C.9