Set up the following equation: Find a bank account balance if the account starts with $100, has an annual rate of 4%, and the money left in the account for 12 years.
100(.96)^12
100
The function h(t) = -16t2 + 32x + 240 depicts the flight of a canon ball shot from 240 feet in the air with an initial velocity of 32 feet per second. What time does the cannon ball hit the ground
5 seconds
100
What is the definition of a polynomial?
consisting of several terms
200
What is formula of the Pythagorean Theorem?
A^2+B^2=C^2
200
solve: 5x-6=3x-8
X=-1
200
Solve: You drink a beverage with 120 mg of caffeine. Each hour, the caffeine in your system decreases by about
12%. How long until you have 10mg of caffeine?
33 minuets
200
Suppose that the function V(t) = 25x2 – 500x + 15000 represents the value of a foreclosed house from the date of purchase in 1990 to the year 2008 when it was sold again after a big remodel. What year did the house reach its lowest value?
year 2000
200
(3x²+2x-4)-(2x²+x-1)
X²-X-3
300
What is the standard form for a linear equation?
Ax+By= C
300
solve: 7y+5-3y+1=2y+2
Y=-2
300
Set up the following equation: An adult takes 400 mg of ibuprofen. Each hour, the amount of ibuprofen in the person’s system decreases by about 29%. How much ibuprofen is left after 6 hours?
400(.71)^6
300
What are the solutions to the equation x2 – 5x = 24 a. (8, 3) b. (8, -3) c. (-8, 3) d. (-8, -3)
B
300
-2x(x²-4x+2)
-2x³+8x²-4x
400
What is the quadratic Formula?
-B+√B^2-4(a)(c)
-
_____________
2(a)
400
Solve: (x/3)+(x/2)=10
X=10
400
solve: 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?
4 players remain
400
Apollo kicks a ball off the ground. After t seconds, its height, h (in feet) is given by the equation h = -16t2 + 64t. At what time does the ball hit its maximum height? a. 2 sec b. 4 sec c.3 sec d. 5 sec
A
400
(4x²+3x-10)-(-4x²+2x+8)
8x²+x-18
500
What is Z score formula?
Z= x-x̄
_____
Sx
500
solve: 3(x+5)=2(-6-x)-2x
X=(-27/7)
500
solve: Based on her past experiences, a homeowner estimates that appliances lose 20% of their resale value each year. If her estimate is accurate, how much will an appliance currently valued at $2,400 be worth in 5 years?
$786 dollars
500
A ball is thrown straight up into the air from the top of a building standing at 30 feet with an initial velocity of 55 feet per second. The height of the ball in feet can be modeled by the following function: h(t) = –16t2 + 55t + 30
What is the maximum height reached by the ball? a. 30 feet b. 77 feet c. 55 feet d. 85 feet