Solving Complex Systems

What type of elimination could you use for this system of equations?

• Addition

• Subtraction

• Simple Multiplication

• Complex Multiplication

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

Solve this system of equations using elimination with addition:

−5𝑥 + 6𝑦 = 4

5𝑥 − 𝑦 = −9

• (-2, 3)

• (2, 0)

• (-2, -1)

• (2, -2)

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

Solve this system of equations. Choose whether to use addition, subtraction, or simple multiplication:

−6𝑥 + 3𝑦 = −24

6𝑥 − 𝑦 = 20

• (-2, 1)

• (-3, 2)

• (3, -2)

• (3, -1)

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

Solve this system of equations using elimination with complex multiplication:

• (1, 4)

• (1, 6)

• (-1, 4)

• (-1, 6)

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

• A
• B
• C
• D

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

• -7/4

• 5/2

• 3/4

• 3

Tags

CCSS.HSA.REI.C.7

Use desmos to answer the question above

• A

• B

• C

• D

Tags

CCSS.HSA.REI.C.7

• A
• B
• C
• D

Tags

CCSS.HSA.REI.C.7

• 1.5

• 6

• -6

• -1.5

Tags

CCSS.8.EE.C.7B

Find the solution(s) to the system.

• (0,-3)(1,-2)

• (0,-3)

• (-2,0)(2,0)

• No solution

Tags

CCSS.HSA.REI.C.7