Review Systems by Graphing and Substitution Method

What is the solution ?

• (0, 3)

• (1, -1)

• (-3, 1)

• (1, 3)

• (3, 3)

Tags

CCSS.8.EE.C.8B

Solve the following system by graphing.

• No Solution

• (3, 3)

• (-4, 2)

• (5, 1)

Tags

CCSS.8.EE.C.8B

The solution to a system of equations is the point where ____________

• the answer is equal to 0

• the lines are parallel

• the lines intersect

Tags

CCSS.8.EE.C.8B

If a system of equations has no solution, it means that the lines ...

• only intersect one time.

• are parallel lines and do not intersect

• have infinite solutions for x and y

Tags

CCSS.8.EE.C.8A

Solve the system using substitution :

2x - 5y = 12

y = -2

• (2,2)

• (11, -2)

• (1, -2)

• (0,3)

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

Solve the system using substitution:

x + y = 19

y = 3x - 1

• (14, 5)

• (11, 8)

• (5, 14)

• (8, 11)

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

Solve the system by substitution

3x − 2y = 7

y = 2x − 7

• No solution

• (7, 7)

• (−7, 4)

• (−7, −3)

• (6, 3)

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

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

• yes

• no

• Sometimes

Solve this system of equations by graphing

y = 4x - 2

y = -x + 3

Hint: Make a graph

• (-1,-4)

• (-3,-2)

• (1,2)

Tags

CCSS.8.EE.C.8B

What is the best method for solving this system of equations?

• Graphing

• Googling

• Elimination

• Substitution

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6