3x3 Systems

Find the solution to the system.

• (-2, -3, 3)

• (-2, 3, 3)

• (2, -3, 3)

Tags

CCSS.HSA.REI.C.8

CCSS.HSA.REI.C.9

Find the solution to the system.

• (4, 0, 2)

• (-4, 0, -2)

• (4, 0, -2)

Tags

CCSS.HSA.REI.C.6

CCSS.HSA.REI.C.8

Mallory spent $320 on jeans, leggings, and shorts. The jeans were $55, leggings were $15, and the shorts were on sale for $20. She bought one less pair of shorts than leggings. If there were a total of 12 items, how many of each did she buy?

• 5 jeans, 4 leggings, and 3 shorts

• 3 jeans, 5 leggings, and 4 shorts

• 7 jeans, 3 leggings, and 2 shorts

Tags

CCSS.HSA.CED.A.1

CCSS.HSA.CED.A.2

CCSS.HSA.CED.A.3

CCSS.HSA.REI.C.6

What if you are solving a system and your variables cancel out and you end up with a statement such as: 1=12? What conclusion can you make about the system?

• the solution is 1

• there is no solution

• the solution is 12

• infinite solutions

Tags

CCSS.8.EE.C.8B

What if you are solving a system and the variables cancel out and you end up with a statement such as 3=3, what can you conclude about the system?

• the solution is 3

• there are no solutions

• you can't conclude anything

• there are infinite solutions

Tags

CCSS.8.EE.C.8B

What is the solution?

• (1, -1)
• (-1, 1)
• (0, -2)
• (2, 0)

Tags

CCSS.8.EE.C.8B

How many solutions does this system have?

y = 2x + 1

y = 4x - 1

• One Solution

• No Solution

• Infinite Solutions

Tags

CCSS.8.EE.C.8B

Coach Anthony has a jar full of change. There are 37 nickels, dimes, and quarters. The total of the coins is $3.75. If there are twice as many nickels than dimes, how many of each does he have?

• 20 dimes, 10 nickels, 7 quarters

• 10 dimes, 20 nickels, 7 quarters

• 9 dimes, 18 nickels, 10 quarters

Tags

CCSS.HSA.CED.A.1

CCSS.HSA.CED.A.2

CCSS.HSA.CED.A.3

CCSS.HSA.REI.B.3

CCSS.HSA.REI.C.6

CCSS.HSA.SSE.A.1

x+y+z=12

3x+y=19

5x=25

What would you solve for First?

• Solve for x

• Solve for y

• Solve for z

• (5,3,4)

Tags

CCSS.HSA.REI.C.6

Which point is a solution?

• (0, 6)
• (-3, 4)
• (1, 0)
• (-4, 3)

Tags

CCSS.HSA.REI.D.12