Pre-Algebra Midterm

What value of b will make the equation a true statement? (-45+ 55)+b=0

• -100

• 100

• -10

• 10

A snowman is trying to count his snowballs. He has a few snowballs, but he only knows how to count integers. Which of the following can he count?

• 3.14

• -7

• 0.99

• 8.2

Which inequality represents the solution to 2x + 3 < 7?

• x < 2

• x > 2

• x < -2

• x > -2

A snowman is selling carrots at a constant rate. Identify the constant of proportionality if he sells them at the following rates.

• $5/pound

• $0.20/pound

• 5 pounds per dollar

• 0.2 pounds per dollar

A snowman can slide 30 miles on 5 gallons of melted snow. How many miles per gallon of melted snow can the snowman slide?

• 6

• 15

• 10

• 5

A snowman in Toronto experienced a high temperature of 10°C for the day. On the same day, a snowman in Montreal experienced a high temperature of -5°C. What was the difference in high temperatures that the two snowmen experienced?

• 5°

• 10°

• 15°

• 20°

Consider the product. (-5)(2) Which of the following best represents the product?

• John bought 5 books worth $2.00 each.

• Lisa sent 5 letters over 2 days.

• Mike applied 5 tablespoons of fertilizer to two rose bushes.

• Emma withdrew $5.00 from her savings account two weeks in a row.

Which of the following will not yield the same result as the others?

• (-7)(9)

• (7)(-9)

• (7)(-9)

• (7)(9)

You are building a snowman for your neighborhood kids. The cost of the snowman will be a flat fee of $50 for the snow plus $10 per snowman for the accessories. You can spend at most $200. Which inequality gives you the best estimate of the number of snowmen p that you can build?

• 10 + 50p ≤ 200

• 50 + 10p ≤ 200

• 50 + 10p ≥ 200

• 10 + 50p ≥ 200

Distribute and simplify 2(4x + 2) + 5x

• 13x + 2

• 18x

• 13x + 4

• 14x + 4