Unit 2 Review

Multiple Choice

How many solutions does this equation have?

$$2x\ +\ 1\ =\ 1\ +\ 2x$$  

• No Solution

• Infinite Solution

• One Solution

• 37 solutions

Math 8 Unit 2 Review
Test on Tuesday, October 8th

Multiple Choice

How many solutions does this equation have?

$$4x\ +\ 1\ +\ 2\ =\ 8\ +\ 6x$$  

• No Solution

• Infinite Solution

• One Solution

• 37 solutions

Multiple Choice

How many solutions does this equation have?

$$5\left(x\ +\ 5\right)\ =\ 25\ +\ 5x$$  

• No Solution

• Infinite Solution

• One Solution

• 37 solutions

Multiple Choice

How many solutions does this equation have?

$$5x\ +\ 5\ =\ 8\ +\ 5x$$  

• No Solution

• Infinite Solution

• One Solution

• 37 solutions

Multiple Choice

The Frederick County Fair costs $15.00 to get in and $2.50 per ride, while the Montgomery County Fair costs $10.00 to get in and $3.00 per ride. Which equations could be used to determine how many rides you would need to go on for both fairs to be of equal value?

• 15x + 2.5 = 10x + 3

• 15 - 2.5x = 10 - 3x

• 15 + 2.5x = 10 + 3x

• 15 - 10 = 2.5x + 3x

Multiple Choice

Jacob collects hats. He has 6 hats already and collects 2 more hats each week. How many week would it take Jacob to collect 32 hats?

• 13 weeks

• 12 weeks

• 14 weeks

• 11 week

Multiple Choice

What is the first step in solving the equation 2a - 4(a - 5) = 10

• Add 4 to both sides
• Add the 2a and a 
• Distribute 4 to a and -5
• Distribute -4 to a and -5

Multiple Choice

A gymnastics center charges a $60 registration fee and $15 per class. Olivia registers to take a class and pays a total of $210. Which equation can be used to determine how many classes Olivia signed up for?  

• 60 - 15x = 210 
• 15x - 60 = 210
• 15x + 60 = 210 
• 210 + 15x = 60 

Multiple Choice

The Roaming Cell Phone Company charges $15.00 per month plus $0.20 per minute of airtime usage. If Tara's cell phone bill is $75, how many minutes did she talk on the phone?

• 30 minutes

• 60 minutes

• 250 minutes

• 300 minutes

Multiple Choice

Joan needed $100 to buy a graphing calculator for her math class. Her neighbor will pay her $5 per hour to babysit and her Father gave her $10 for mowing the lawn. Which inequality represents the minimum amount of hours she will need to babysit in order for her to buy her calculator?

• 5x + 10 ≥ 100
• 5x - 100 ≥ 10
• 10x + 5 ≤ 100
• 5x + 10 > 100

Multiple Choice

Ann wants to spend at most $8.50 on school supplies. She needs to purchase a binder (costs $6.89) and wants to spend the rest on pens, which cost $0.59 each. What is the greatest amount of pens can Ann buy?

• 3

• 2.7

• 2

• 1.15

Multiple Choice

Triniti had $500 in a saving account at the beginning of the summer. She wants to have at least $200 in the account by the end of the summer. She withdraws $25 each week for food, clothes, and movie tickets. Which inequality represents her situation?

• 200 + 25x ≥ 500
• 500 + 25x ≥ 200
• 500 - 25x ≥ 200
• 500 - 25x ≤ 200