Math POD test #1

If XY=144, X+Y=30 and X>Y, what is the value of X—Y?

18

What is the value of X when 2X+3=3X—4?

7

How many irrational numbers are there between 1 and 6 ?

Infinitely many

When X=3 and Y=5, by how much does the value of 3X²—2Y exceed the value of 2X²—3Y?

14

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?

16

Find the length of the second leg of a right triangle if the hypotenuse is 30ft and the first leg is 18ft.

24

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?

54

A DVD player with a list price of 100$ is marked down by 30% John gets an employee discount of 20% off sale price. How much does John pay?

56.00$

The length, in inches, of a box is 3 inches less than twice its width, in inches. Which of the following gives the length, l inches, in terms of the width, w inches, of the box?

I=2w—3

Find s using the formula s=a(1-rⁿ)/1-r If a=-2, r=2, and n=3.

-14

What is the slope of any line parallel to the line 9X+4Y=7?

-9/4

A business uses straight line depreciation to determine the value of a building over several years. The building is purchased for 120,000$ and the value depreciates by 4,000 each year. After 5 years, how much will the building be worth?

100,000

What is the Greatest Common Factory of 42, 126 and 219?

42

Find the value of -5st² when s=2 and t=-3.

90

A car averages 27 miles per gallon. If gas costs $4.04 per gallon, which of the following is closest to how much the gas would cost for this car to travel 2,727 typical miles?

$408.04