Math Practice Quiz 2

Question 1 of 7

When $x=3$  and $y=5$ , by how much does the value of $3x^2-2y$  exceed the value of $2x^2-3y$ ?

Question 2 of 7

What is the greatest common factor of 42, 126, and 210?

Question 3 of 7

Sales for a business were 3 million dollars more the second year than the first, and sales for the third year were double the sales for the second year. If sales for the third year were 38 million dollars, what were sales, in millions of dollars, for the first year?

Question 4 of 7

How many irrational numbers are there between 1 and 6?

Question 5 of 7

A typical high school student consumes 67.5 pounds of sugar per year. As part of a new nutrition plan, each member of a track team plans to lower the sugar he or she consumes by at least 20% for the coming year. Assuming each track member had consumed sugar at the level of a typical high school student and will adhere to this plan for the coming year, what is the maximum number of pounds of sugar to be consumed by each track team member in the coming year?

Question 6 of 7

Ding’s Diner advertised this daily lunch special: “Choose 1 item from each column—only $4.95!” Thus, each daily lunch special consists of a salad, a soup, a sandwich, and a drink.

How many different daily lunch specials are possible?

Question 7 of 7

Which of the following is a factor of the polynomial $2x^2-3x-5$ ?