Identifying Proportional Relationships-Quiz Review

Does this graph show direct variation? Remember that direct variation in a graph has:

1. A straight positive line

2. Passes through the origin

• Yes

• No

Does this graph show direct variation? Remember that direct variation in a graph has:

1. A straight positive line

2. Passes through the origin

• Yes

• No

Does this graph show direct variation? Remember that direct variation in a graph has:

1. A straight positive line

2. Passes through the origin

• Yes

• No

Does this table show direct variation? Remember that direct variation in a table has:

1. Equivalent Ratios

• Yes

• No

Does this table show direct variation? Remember that direct variation in a table has:

1. Equivalent Ratios

• Yes

• No

Does this table show direct variation? Remember that direct variation in a table has:

1. Equivalent Ratios

• Yes

• No

Does this equation show direct variation? 

Remember: an equation has direct variation if it does NOT have a constant.

 $y=4x$  

• Yes

• No

Does this equation show direct variation? 

Remember: an equation has direct variation if it does NOT have a constant.

 $y=4x-7$  

• Yes

• No

Does this equation show direct variation? 

Remember: an equation has direct variation if it does NOT have a constant.

 $y=-10x+5$  

• Yes

• No

Does this equation show direct variation? 

Remember: an equation has direct variation if it does NOT have a constant.

 $y=\frac{1}{2}x$  

• Yes

• No