Systems of Linear Equations

Solve the system of equations by substitution.

y = 2x - 3

x = 4

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

Solve the system of equations by substitution.

2x + y = 9

y = 5x + 2

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

Solve the system of equations by substitution.

y = 3x - 2

y - 3x = 4

• (0,-2)

• (0,6)

• Infinite Solutions

• No Solution

Tags

CCSS.8.EE.C.8B

Solve the system of equations using any method.

½x + 3/2y = -7

⅓y = 2x - 10

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

Rachel needs to print some of her digital photos. She is trying to choose between Lightning Fast Foto and Snappy Shots. Lightning Fast Foto charges a base fee of $5 plus an additional $0.20 per photo. Snappy Shots charges a base fee of $7 plus an additional $0.10 per photo. Determine the number of photos for which both stores will charge the same amount.

Tags

CCSS.8.EE.C.8C

Raja is trying to decide which ice cream shop is the better buy. Cold & Creamy Sundaes charges $2.50 per sundae plus an additional $0.25 for each topping. Colder & Creamier Sundaes charges $1.50 per sundae plus an additional $0.50 for each topping. Determine the number of toppings for which both vendors charge the same amount.

Tags

CCSS.8.EE.C.8C

Solve the system of equations by graphing.

y=2x-1

y=-3x-11

Tags

CCSS.8.EE.C.8B

Solve the system of equations by graphing.

y=4x-30

y=-3x+5

Tags

CCSS.8.EE.C.8B

Solve the system of equations by graphing.

-5x+10y=-10

y=½x-2

• (0,10)

• (0,-2)

• Infinite Solutions

• No Solution

Tags

CCSS.8.EE.C.8B

Solve the system of equations by graphing.

y=3x+17

10x+5y=-15

Tags

CCSS.8.EE.C.8B