CBA 2021 Review

Mr. Slim Shady had 27 students in his class last year and this year he has 30 students in his class. What is the percent of change?

• 24%
• 20%
• 11%
• 9%

Find the percent increase. Round to the nearest percent.
From $5 to $8 

• 40%
• 60%
• 55%
• 65%

Find missing side

• 5
• 7
• 9
• 11

Find the missing side length.

• 32
• 35
• 20
• 16

Write an equation for this relationship.

Remember: y=kx

• y=1/5x

• y=1/2x

• y=2x

• y=5x

What does the point (2, 94) represent in this situation?

• Every week, they earn $94.
• After 94 weeks, they save $2.
• After 1 week, they save $47.
• After 2 weeks, they save $94.

Using the graph above, determine the constant of proportionality.

• k = 0
• k = 1
• k = 3
• k = 6

What is the unit rate in this proportional relationship?

• 60 miles/1 hour
• 120 miles/ 2 hours
• 1 mile/ 1 hour

Josh bought a pizza with eight slices of pizza for $12. What is the cost of a slice of pizza?

• $12
• $1.50
• $3
• $1

What is the unit rate in this proportional relationship?

• 60 miles/1 hour
• 120 miles/ 2 hours
• 1 mile/ 1 hour