Equations
Linear Equations
Polynomials and Exponents
Radicals
Potluck
100

Given f(x)=−x^2+2x+14, find f(8)

-34

100
What is the slope of 2x + 3y = 6
-2/3
100

factor x^2 +10x + 16

(x + 8)(x + 2)

100

Given the function g(x)=x2−5x+2, determine the average rate of change of the function over the interval 3≤x≤4.

-4

100
solve x+5/12 = x-2/8
16
200
-4( 2 - x) = 24
x = 8
200
Write an equation parallel to y=3/4 x -3 and contains the point ( 0,5)
y = 3/4 x + 5
200
factor x^2 - 49
(x + 7)(x - 7)
200

Solve using substitution:

y= -x-32                                                           

y=7x


(-4,-28)

200

Use the quadratic formula to solve. Simplify.

3y^2−10y−10=3y

y = 5, y = -2/3

300
4x + 3( x-2) = 5x - 20
x = 7
300
What is slope of equation perpendicular to 2x -5y = 6
-5/2
300

An element with a mass of 780 grams decays by 16.3% per minute. How much of the element is remaining after 16 minutes, to the nearest 10th of a gram?

45.3 grams

300

A basketball player takes a shot. The height of the ball, h, in meters, can be modeled by the function h=-4t^2+8t+3, where t is time in seconds.        **What is the maximum height of the basketball?

 ***At what time does the basketball reach its maximum height?

7 meters

1 second

300
You purchase a stereo system for $830. The value of the stereo system decreases 13% each year. What is the value of the system after 3 years?
$546.56
400
2x + 3 < -5x -4
x < -1
400
Which is an equation of the line containing the points (-1,5) and (3,9)?
y = x + 6
400
factor 2x^2 -11x -21
(2x + 3) ( x -7)
400

Solve using Elimination

3x−4y=  −29

6x+5y= -32

  

(-7,2)

400
At a baseball game, Jose bought five hot dogs and three sodas for $17. At the same time, Allison bought two hot dogs and four sodas for $11. Find the cost of one hot dog and one soda.
hot dogs $2.50 soda $1.50
500

A rocket is launched from a tower. The height of the rocket, y in feet, is related to the time after launch, x in seconds, by the given equation. Using this equation, find the time that the rocket will hit the ground, to the nearest 100th of a second. 

y = −16^2+127x+11

8.77 seconds

500
A business purchases a computer for $2000. The value of the computer depreciates $400 per year. Which linear equation gives the value y of the computer after x years?
y = 2000 - 400 x
500

The original value of an investment is $1400, and the value increases by 9% each year. Use an exponential growth function to find the value of the investment after 25 years. ** Round to the nearest cent. 

$12,072.31

500
A 25 ft ladder is leaning against a building and is 3 feet away from the building. How high is the ladder on the building?
24.8 ft
500

A colony of bacteria has a population of 3,000 at noon on Sunday. During the next week, the colony’s population doubles every day. What is the population of the bacteria colony at noon on Saturday?

192

M
e
n
u