Algebra

16 + 16 − − − √ = 16 + 16 =

If x^4 + y^4 = 100, then the greatest possible value of x is between

If s, u, and v are positive integers and 2s = 2u + 2v, which of the following must be true? I. s = u II. u ≠ v III. s > v

A bank customer borrowed $10,000,butreceivedydollarslessthanthisduetodiscounting.Iftherewasaseparate$25 service charge, then, in terms of y, the service charge was what fraction of the amount that the customer received?

If (t- 8) is a factor of t^2 - kt - 48, then k=

A certain grocery purchased x pounds of produce for p dollars per pound. If y pounds of the produce had to be discarded due to spoilage and the grocery sold the rest for s dollars per pound, which of the following represents the gross profit on the sale of the produce?

If (7 3 4) n = 7 , what is the value of n?

A certain population of bacteria doubles every 10 minutes. If the number of bacteria in the population initially was 10^4, what was the number in the population 1 hour later?

For all numbers s and t, the operation * is defined by s*t = (s - 1)(t + 1). If (-2)*x = -12, then x =

If the number n of calculators sold per week varies with the price p in dollars according to the equation n = 300 - 20p, what would be the total weekly revenue from the sale of $10 calculators?

If x ≠ 2 , then 3 x 2 (x − 2) − x + 2 x − 2

If x > 3,000, then the value of x/(2x + 1) is closest to

(1 + 5 √) (1 − 5 √) = (1 + 5) (1 − 5) =

If x and y are different integers and x^2 = xy, which of the following must be true? I. x = 0 II. y = 0 III. x = -y

If k ≠ 0 and k − 3 − 2 k 2 k = x k , then x =

If (b - 3)(4 + 2/b) = 0 and b ≠ 3, then b =

If b < 2 and 2x - 3b = 0, which of the following must be true?

The number 2 - 0.5 is how many times the number 1 - 0.5?

What is the value of 2 x 2 − 2.4 x − 1.7 for x = 0.7 ?

If x + y x y = 1 , then y =