Multiple Binomials
Factor Trinomials
Compound Interest
Growth/ Decay
Pythagorean Theorem
100
X^2+5x+6
What is (x+2)(x+3)
100
6k^2 + k - 70
What is (2k + 7)(3k - 10)
100
Suppose a bank offers an interest rate of 6% per annual on a savings account that is compounded quarterly. A person deposits $4,000 in the bank. How much money will be in his account at the end of one year?
What is $62.74
100
Find a bank account balance to the nearest dollar, if the account starts with $100, has an annual rate of 4%, and the money left in the account for 12 years.
What is $160
100
32 + 42 = 52
What is 9 + 16 = 25
200
15x^2-11x-14
What is (3x+2)(5x-7)
200
s^2 + 7s + 6
What is (1s + 1)(1s + 6)
200
How much would you need to invest now, to get $10,000 in 10 years at 8% interest rate?
What is $4,631.93
200
At the start of an experiment, there are 100 bacteria. If the bacteria follow an exponential growth pattern with rate k = 0.02, (a) what will be the population after 5 hours? (b) how long will it take for the population to double?
What is 110 bacteria
200
52 + 122 = c^2
What is c = 13
300
(ax + b)^2
What is (ax + b)(ax + b)
300
s^2 - 5s + 6
What is (1s - 2)(1s - 3)
300
After 5 years there will be $5387.42 in the account
What is If you deposit $4000 into an account paying 6% annual interest compounded quarterly, how  much money will be in the account after 5 years
300
Each year the local country club sponsors a tennis tournament. Play starts with 128 participants. During each round, half of the players are eliminated. How many players remain after 5 rounds?
What is 4
300
9^2 + b^2 = 15^2
What is b=12
400
2x^2 + xy − 15y^2
What is (x + 3y)(2x − 5y)
400
p^2 - 20p - 21
What is (1p + 1)(1p - 21)
400
 If you deposit $6500 into an account paying 8% annual interest compounded monthly, how  much money will be in the account after 7 years
What is After 7 years there will be $11358.24 in the account
400
Use the fact that the world population was 2560 million people in 1950 and 3040 million in 1960 to model the population of the world in the second half of the 20th century. (Assume that the growth rate is proportional to the population size.) What is the relative growth rate k? Use the model to estimate the world population in 1993 and to predict the population in the year 2020.
What is ? 8524 million
400
80^2 = 48^2 + b^2
What is 64 = b
500
(2x - 7)(5x + 3)
What is 10x2 - 29x - 21
500
5x^2-8x+3
What is (x-1)(5x-3)
500
Suppose that you plan to need $10,000 in thirty-six months' time when your child starts attending university. You want to invest in an instrument yielding 3.5% interest, compounded monthly. How much should you invest?
What is $9004.62
500
Suppose that the population of a colony of bacteria increases exponentially. At the start of an experiment, there are 6,000 bacteria, and one hour later, the population has increased to 6,400. How long will it take for the population to reach 10,000? Round your answer to the nearest hour.
What is 8 hours
500
91^2 = 84^2 + b^2
What is 35 = b