Create Systems of Equations

What is first step?

x = 3y

2x + 4y = 10

• 2x + 4(3y) = 10

• 2(3y) + 4y = 10

• x = 3(2x + 4y)

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

a system of equations in which the equations intersect at one point.

• One solution

• solution

• No solution

• Infinitely many solutions

Tags

CCSS.8.EE.C.8A

a system of equations in which the equations create parallel lines.

• One solution

• solution

• No solution

• Infinitely many solutions

Tags

CCSS.8.EE.C.8B

Any value for the variable would make the systems of equations true.

• One solution

• solution

• No solution

• Infinitely many solutions

Tags

CCSS.8.EE.C.8B

Solve using Elimination Method:

x - y = 11

2x + y = 19

• (10,-1)

• (-1,10)

• (3,-4)

• (6,7)

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

4x+ 9y = 28

-4x -y = -28

• (-7,0)

• (6,0)

• (-6,0)

• (7,0)

• (6,7)

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

Solve using Elimination Method:

9x - 4y = 7

x - 4y = -17

• (-1,5)

• (-7,5)

• (7,5)

• (3,5)

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

what is the variable that willl be "eliminated"?

5x - 4y = 11

5x + 4y = -14

• x variable

• y variables

• both variables

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

what would the top equation become when you multiply everything by -1?

• 2x - 6y = 20

• -2x - 6y = -20

• -2x + 6y = 20

• -2x + 6y = -20

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

Tauren graphed the two equations shown in the System of Equations. He discovered that the lines appeared in exactly the same location. What is the solution to this system of equations?

• (-7, -9)

• (-10, 5)

• No Solution

• Infinitely Many Solutions

Tags

CCSS.8.EE.C.8B