Big Ideas Algebra 2 Chapter 5

Which function has a translation of 7 units down and reflects over the x-axis?

• f(x) = -(x - 7)² + 1

• f(x) = (x + 7)² + 1

• f(x) = -(x - 1)² - 7

• f(x) = (x + 1)² - 7

Solve for u

3u + 2 = 32

• 102

• 9

• 10

• 1

• -1

• 3

• -3

A taxi ride costs $3 plus $2 for each mile driven. When you rode in a taxi, the total cost was $39. This can be modeled by the equation below, where m represents the number of miles driven. 2m + 3 = 39 How long was your taxi ride?

• 72 miles

• 34 miles

• 21 miles

• 18 miles

What could be the first step to solve the equation shown below?

3x + 5 = 2(x + 7)

• Combine 3x and 5.

• Multiply x by 2 and 7 by 2.

• Subtract x from 3x.

• Subtract 5 from 7.

5x - 4 + 2x = 3

• 1

• 2

• 3

• 4

7x = 3x + 24

• 6

• 10

• 14

• 4

• 
• 
• 
• 

A group of friends is renting a boat for $120 plus $45 per hour. If they have a budget of no more than $400, write and solve an inequality to determine how many hours they can rent the boat.