Intro to Substitution

What is the solution to the system of equations?

• (-5,4)

• (4, -5)

• (-5,-1)

• (6, 4)

Tags

CCSS.HSA.REI.C.9

What is the solution to the system of equations?

• (-7, 1)

• (1, -3)

• (1,5)

• (1,-7)

Tags

CCSS.HSA.REI.C.9

In math vocabulary, the word substitute means...

• To replace a variable with its number value

• When the teacher is absent.

• Something you shouldn't accept.

• Doing nothing.

Tags

CCSS.6.EE.A.2C

Use substitution to find the value of the other variable.

• 1

• -1

• -10

• -5

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

Solve the system of equations using substitution:

-4x + 4y = 8

y = -2x - 10

• (-4, -2)

• (12, -34)

• (4, -18)

• (-2, -6)

• (-4, 6)

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

• (1, 2)

• (4, 1)

• (2, -1)

• No Solution

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

Solve using Substitution Method

y = -6

-3x - 6y = 24

• (6, 6)

• (6, -6)

• (4, -6)

• (-6, 4)

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

x = y - 2
4x + y = 2

• (2,0)

• (0,2)

• (0, -2)

• (-2,0)

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

Solve for x and y using the substitution method.

• (4,1)

• (4,-1)

• (1,4)

• (-1,4)

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

Solve the following systems of equations using substitution:

x = 6

y = 2x - 3

• (6, 6)

• (6, 9)

• (9, 6)

• (9, 9)

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6