PA Quiz 3B Review

Find the error in the problem below
19 - 2k = 3k - 1
     +3k   +3k
19 + 1k = -1
-19           -19
k = -20

• They should have divided by 1 for the last step
• They should add 19 instead of subtracting 19
• I can not find an error
• Instead of adding 3k they should subtract 3k

Tags

CCSS.HSA.REI.A.1

4(2a + 3) = −3(a − 1) + 31

• a = 4

• a = -2

• a = -4

• a = 2

Tags

CCSS.8.EE.C.7B

-4 ( 2x + 9 ) + 3x = 6 - 4 ( x - 3 )

• x = 54

• x = 24

• x = 45

• x = 35

Tags

CCSS.8.EE.C.7B

The goal of solving a one, two, or multi-step equations is to:

• Find the constant

• Find the coefficient

• Find the value of the variable

• Be confused

Tags

CCSS.6.EE.B.7

What is the first step in solving a multi-step equation?

• Distribution (If necessary)

• Combine Like Terms

• Move the variable

• Move the constant

Tags

CCSS.8.EE.C.7B

What is the second step in solving multi-step equations?

• Distribution (if necessary)

• Combine Like terms

• Move Variable

• Solve! With SADMEP

Tags

CCSS.8.EE.C.7B

Check all steps that you would need to take to solve this equation:

 $8\left(2x-3\right)+2x=4x-4$  

• Use distributive property to get rid of parentheses

• Combine like terms

• Move the variable to one side of the equation

• Use inverse operations to isolate and solve for the variable.

Tags

CCSS.6.EE.A.3

Check all steps that you would need to take to solve this equation:

 $4x-2=-2x+16$  

• Use distributive property to get rid of parentheses

• Combine like terms

• Move the variable to one side of the equation

• Use inverse operations to isolate and solve for the variable.

Check all steps that you would need to take to solve this equation:

 $4x+7-2x=18-3x$  

• Use distributive property to get rid of parentheses

• Combine like terms

• Move the variable to one side of the equation

• Use inverse operations to isolate and solve for the variable.

Check all steps that you would need to take to solve this equation:

 $4\left(x-2\right)=x+1$  

• Use distributive property to get rid of parentheses

• Combine like terms

• Move the variable to one side of the equation

• Use inverse operations to isolate and solve for the variable

Tags

CCSS.8.EE.C.7B