Advanced Solving Systems of Equations

What is the substitution method used for in solving a system of equations?

• To solve a system of equations

• To write a novel

• To calculate the area of a circle

• To bake a cake

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

In the elimination method, what operation is used to eliminate one of the variables?

• Multiplication

• Addition or subtraction

• Division

• Exponentiation

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

When is the substitution method most useful in solving a system of equations?

• When both equations are already solved

• When the equations are not related

• When the variables are not known

• When one of the equations can be easily solved for one variable

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

What are the steps involved in solving a system of equations using the elimination method?

• Identifying the variable to eliminate, multiplying the equations by appropriate constants, and adding or subtracting the equations to eliminate the variable.

• Dividing the equations by random numbers

• Ignoring one of the equations

• Solving for the variable with no elimination

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

• A
• B
• C
• D

Tags

CCSS.HSA.REI.C.7

• A
• B
• C
• D

Tags

CCSS.HSA.REI.C.7

Use desmos to answer the question above

• A

• B

• C

• D

Tags

CCSS.HSA.REI.C.7

• -7/4

• 5/2

• 3/4

• 3

Tags

CCSS.HSA.REI.C.7

• 1.5

• 6

• -6

• -1.5

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