Quadratics
What is the standard form?
Y=ax2+bx+c
Factoring is the process of what?
The process of breaking up an expression into its factors
Linear
f(x)=x
Which statement represents a real life situation where there is a constant rate of change
a. The population of a town doubles every 6 years
b. The money in a savings account increases by 2% every month.
c. The height of a ball is proportional to the square of the seconds after it is thrown
d. The amount of trash in a dumpster increases by 7 pounds every hour
d. The amount of trash in a dumpster increases by 7 pounds every hour
How long does it take for a sloth to digest a single leaf
One month
What is the factored form?
Y=(x-d)(x-e)
polynomials that can’t be factored
Prime numbers
Exponential
f(x)=2x
When lit, a candle loses 10% of its height every hour. A candle has an original height of 10 inches. Which statement is true?
a. The height of the candle can be modeled by an exponential function because it is changing at a constant rate of 1 inch per hour.
b. The height of the candle can be modeled by an exponential function because it is changing at a constant percent rate.
c. The height of the candle can be modeled by a linear function because it is changing at a constant rate of 1 inch per hour
d. The height of the candle can be modeled by a linear function because it is changing at a constant percent rate.
b. The height of the candle can be modeled by an exponential function because it is changing at a constant percent rate.
Is a tigers skin striped, true or false?
True
solve for x
X(x-4)=0
X=4
9x2+18x-27
9(x2+2x-3)
Quadratic
f(x)=x2
a population of bacteria in a lab is modeled by the function shown below, where t is shown time in months.
p(t)=100(0.94)t
based on the function, what is the rate of decrease in population?
6% each month
How many hearts does an Octopus have?
3
Find the roots
2x2+10x=10
X=0
x=-5
3x2+10x+8
(X+2)(3x+4)
Stat->Calc 4
Linear
A banker has a retirement portfolio that increases at a particular rate per year. The total amount, in dollars, in the portfolio can be modeled by the equation:
y=p(1+q)x
a. It is the amount in the portfolio after X years
b. It is the initial amount in the portfolio
c. It is the number of years the banker has had the portfolio
d. It is the rate of change
b. It is the initial amount in the portfolio
What is 3x+3+3x=252
X=2
What is X2+10x+16=0
X=-2
x=-8
4x2+4x-15
(2x-3)(2x+5)
Stat->Calc 0
Exponential
Matt has 400 followers on social media. His number of followers is increasing at a rate of 3% per week. Write a function that represents his number of followers after W weeks.
F(x)=400(1.03)x
The nurse is monitoring a client who is taking propranolol. Which assessment finding indicates a potential adverse complication associated with this medication.
1. The development of complaints of insomnia
2. the development of audible expiratory wheezes
3. a baseline blood pressure of 150/80 mm Hg followed by 2 doses of the medication
4. a baseline resting heart rate of 88 beats/minute followed by resting heart rate of 72 beats/ minute after 2 doses of the medication
2. The development of audible expiratory wheezes