Linear Relationships Review

What does is the slope of this graph?

• $\frac{1}{2}$

• $-\frac{1}{2}$

What does the slope mean in this situation?

• Each cup adds 0.5 cm to the height of the cups.

• Each cup adds 0.5 cm to the number of cups.

What is the vertical intercept (y-intercept) of the graph?

• 2

• 4

• 6

• 8

What does the vertical intercept mean in the graph?

• The starting height of the stack of cups is 4 cm.

• The height of the stack of cups is 4 cm after adding a cup.

Which line has a slope of 1/5 and an intercept of 3?

• Line 1

• Line 2

• Line 3

Which line has a slope of 3/5 and an intercept of 7?

• Line 1

• Line 2

• Line 3

Which line has a slope of 6/5 and an intercept of 5?

• Line 1

• Line 2

• Line 3

A cable company charges $70 per month for cable service to existing customers. What equation matches this situation?

•  $y=70x$  

•  $y=70x+12$  

•  $y=70x\ +25$  

•  $y=70x+50$  

A cable company charges $70 per month for cable service to existing customers but for new customers, there is an additional one-time $100 service fee. What equation matches this situation?

• $y=70x$

• $y=70x+100$

• $y=70x+50$

• $y=70x+25$

What is the equation of this line?

• $b=2m+10$

• $m=2b+10$

• $b=\frac{1}{2}m+10$

• $m=\frac{1}{2}b+10$