Unit 1B Review 22 23

Solve for t.

6t + 4 ≤ -2

• t ≤ -1 
• t ≤ 1
• t=1
• 1=t

• x < -20

• x > -20

• x > 20

• x < 20

3w - 2 < -17

• w < 7.67
• w < -5

• w > 5

• w < 6.33

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

Taxi company A charges $8.00 to get into the cab and $0.75 per mile. Taxi company B charges $6.00 to get into a cab and $1.25 per mile. How many miles would the cost be the same for both companies? 

• 2 miles 
• 4 miles
• .50 mile
• -4 miles 

Which Equation Best Represents the Problem below:

Derrick is giving gifts to his friends.

- Derrick is giving each friend 2 gift cards, and $10

- Derrick has 4 friends.

- Derrick spent a total of $240.

How much were the gift cards that Derrick bought?

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

For an equation with variables on both sides to have ONE SOLUTION the coefficients must be __________ and the constants must be _________.

• the same

  the same

• different

  the same or different

• different

  the same

• the same

  the same or different

For an equation with variables on both sides to have NO SOLUTION the coefficients must be _________ and the constants must be ________.

• different

  the same or different

• different

  the same

• the same

  the same

• the same

  different

For an equation with variables on both sides to have INFINITELY MANY SOLUTIONS the coefficients must be __________ and the constants must be __________.

• the same

  different

• the same

  the same

• different

  the same or different

• the same or different

  the same