9/23 algebraic proofs

Last updated almost 2 years ago

8 questions

Library

9/23 algebraic proofs

Last updated almost 2 years ago

8 questions

12.5

Question 1

1.

Draggable item		Corresponding Item

12.5

Question 2

2.

Draggable item		Corresponding Item

12.5

Question 3

3.

Draggable item		Corresponding Item

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Question 4

4.

Draggable item		Corresponding Item

12.5

Question 5

5.

Draggable item		Corresponding Item

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Question 6

6.

Draggable item		Corresponding Item

12.5

Question 7

7.

Draggable item		Corresponding Item

12.5

Question 8

8.

Draggable item		Corresponding Item

Question 1

1.

match the proof reason to the correct step.

Draggable item		Corresponding Item
3x = 12		given
x = 4		subtraction
3x + 4 = 16		division

Question 2

2.

Match the proof reason to the correct step.

Draggable item		Corresponding Item
x=7		given
21=3x		subtraction
7=x		addition
4x-3=7x-24		division
-3=3x-24		symmetric

Question 3

3.

match the proof reasons to the correct step.

Draggable item		Corresponding Item
8x = 24		given
x = 3		distributive
8x + 4 = 28		subtraction
+4(2x+1) = 28		division

Question 4

4.

match the proof reason to the correct step.

Draggable item		Corresponding Item
3x = 30		given
x = 10		addition
3x-2=28		division

Question 5

5.

match the proof reason to the correct step.

Draggable item		Corresponding Item
2x=5x-15		given
-3x = -15		subtraction
x = 5		subtraction
2x+3=5x-12		division

Question 6

6.

match the proof reason to the correct step.

Draggable item		Corresponding Item
20x+8=15x+48		given
5x=40		distributive
4(5x+2)=15x+48		subtraction
x=8		subtraction
20x=15x40		division

Question 7

7.

Match the proof reason to the correct step.

Draggable item		Corresponding Item
y=4		given
10y+5=12y-3		subtraction
4=y		addition
5=2y-3		division
8=2y		symmetric

Question 8

8.

match the proof reason to the correct step.

Draggable item		Corresponding Item
6x+10=12x-32		given
-6x+10=-32		distribution
x=7		subtraction
6x+10=4(3x-8)		subtraction
-6x=-42		division

match the proof reason to the correct step.

3x = 12

given

x = 4

subtraction

3x + 4 = 16

division

Match the proof reason to the correct step.

x=7

given

21=3x

subtraction

7=x

addition

4x-3=7x-24

division

-3=3x-24

symmetric

match the proof reasons to the correct step.

8x = 24

given 

x = 3

distributive

8x + 4 = 28

subtraction

+4(2x+1) = 28

division

match the proof reason to the correct step.

3x = 30

given

x = 10 

addition

3x-2=28

division

match the proof reason to the correct step.

2x=5x-15

given

-3x = -15

subtraction

x = 5

subtraction

2x+3=5x-12

division

match the proof reason to the correct step.

20x+8=15x+48

given

5x=40

distributive

4(5x+2)=15x+48

subtraction

x=8

subtraction

20x=15x40

division

Match the proof reason to the correct step.

y=4

given

10y+5=12y-3

subtraction

4=y

addition

5=2y-3

division

8=2y

symmetric

match the proof reason to the correct step.

6x+10=12x-32

given

-6x+10=-32

distribution

x=7

subtraction

6x+10=4(3x-8)

subtraction

-6x=-42

division