System of Equations Substitution Method

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

• Substitution

• Elimination

• Equal Values

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

• Infinitely Many Solutions
• No Solution

Tags

CCSS.8.EE.C.8A

What is the solution?

• (1, -1)

• (-1, 1)

• (0, -2)

• (0, 1)

Tags

CCSS.8.EE.C.8B

Solve the system of equations using substitution:
-4x + 4y = 8
y = -2x - 10

• (-4, -2)

• (12, -34)

• (4, -18)

• (-2, -6)

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

Solve the system of equations using substitution:

y = 7x + 7

2y + 2x = -18

• (5, 0)

• (9, 18)

• (-2, -7)

• (1, 16)

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

The first step in solving using the substitution method is __________.

• get x by itself

• get y by itself

• get either variable by itself in one equation

• add the equations together

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

4x - 5y = 21

x - 3y = 7

• (4, -1)

• (-4, -1)

• (-3, 2)

• (1, -3)

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

Solve the system by substitution method

x = 3

2x + 5y = 16

• (3,2)

• (3, 0)

• (2, 5)

• (2,10)

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

Use substitution to solve the system.
2x - 3y = -2
y = 2

• (-2, 2)

• (2, -2)

• (2, 2)

• (2, 8)

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

Solve the system of equations using substitution:

• (3, 6)

• (0, 1)

• (0, -3)

• (2, 3)

• No solution

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6