Sign up for FREE

9/23 algebraic proofs

Last updated almost 2 years ago

8 questions

12.5

12.5

12.5

12.5

12.5

12.5

12.5

12.5

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

Question 3

3.

match the proof reasons to the correct step.

Draggable item		Corresponding Item
x = 3		given
8x = 24		distributive

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
x = 5		subtraction

Question 6

6.

match the proof reason to the correct step.

Draggable item		Corresponding Item
20x+8=15x+48		given

Question 7

7.

Match the proof reason to the correct step.

Draggable item		Corresponding Item
5=2y-3		given

Question 8

8.

match the proof reason to the correct step.

Draggable item		Corresponding Item
-6x+10=-32		given

4x-3=7x-24

subtraction

-3=3x-24

addition

21=3x

division

7=x

symmetric

+4(2x+1) = 28

subtraction

8x + 4 = 28

division

2x+3=5x-12

subtraction

-3x = -15

division

5x=40

distributive

x=8

subtraction

20x=15x40

subtraction

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

division

y=4

subtraction

4=y

addition

10y+5=12y-3

division

8=2y

symmetric

x=7

distribution

6x+10=12x-32

subtraction

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

subtraction

-6x=-42

division