Solution of System

How can you tell if a point is a solution to a system?

• It makes the first equation true.

• The (x,y) coordinates satisfy both equations

• It makes logical sense

• It makes neither equation negative

Determine if (4, 1) is a solution for the system of equations.
y = -x + 5
y = 2x - 7

• yes

• no

Identify the solution for the system of equations.

• (1, -2)

• (-1, 2)

• (-1, -2)

• (1, 2)

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

Identify the solution for the system of equations.

• (3, 1)

• (1, 3)

• (-1, -3)

• (-3, -1)

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

Solve the system.

• (3, -2, 4)

• (2, -3, 1)

• (-3, 2, -1)

• Infinitely many solutions

Solve the system. 

• (5, -6, 3)

• (2, 3, -1)

• (-4, 2, 5)

• No Solution

How many solutions does the system of equations on the graph have?

• One Solution

• No Solution

• Many Solutions

Tags

CCSS.8.EE.C.8A

Is the ordered pair (2,1) a solution to the system?

• Yes

• No

Will the solution (-3, -7) make the following system of equations a true statement? 
y = 4x + 5
y = x – 4

• YES

• NO

Is (1,10) a solution to

y=7x+5

y=x+9

• yes

• no