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Equations and Inequalities
Linear Functions
Quadratic Functions
Exponents and Exponetial Equations
potluck
100
3x - 15 = -21
-2
100
What is the slope of 2x + 3y = 6
-2/3
100
Factor the following (x^2+4x+5x+20)

(X+5)(X+4)

100

Is the following growth or decay: f(x) = 2x

growth

100

What are the measures of center in 1 variable statistics?

Mean and Median

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 2x2 +12x + 16

2(x + 4)(x + 2)

200

y = 9.8(.35)x 

Identify it this is growth or decay, identify the growth or decay factor and the growth or decay rate.


It is decay, the decay factor is .35 and the decay rate is 65%.
200

When data is skewed what is the most appropriate measure of variability?

IQR

300
4x + 3( x-2) = 5x - 20
x = 7
300
What is slope of equation perpendicular to 2x -5y = 6
-5/2
300
Find the area of a rectangle if the length is 2 more than 5 times the width.
5x^2 + 5 x
300

Write the exponential function given the following

The population in the town of Huntersville is presently 38,300. The town grows at an annual rate of 1.2%.  

y=38300(1.012)x

300

In the simplest form possible convert the following to slope intercept

3y-3x=15

y=x+5

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

Solve by factoring 2x2-11x -21

x=-3/2      x=7

400

The value of a stock when purchased is $10 a share. However, over the past 5 days the price went down at a constant rate of 4%. How much is the stock worth now?

$8.15
400

Given the following data what is the line of best fit with all coefficients to the nearest tenth and based on the correlation coefficient is this positive or negative and a weak or strong relationship?

x      0         1        2          3

y     88       141     151      145

y= 18.1x +104.1

r=.8 so strong positive

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

Austin is blocking off several rooms in a hotel for guests coming to his wedding. The hotel can reserve small rooms that can hold 2 people, and large rooms that can hold 3 people. Austin booked a total of 22 rooms which can accommodate 53 guests altogether. Determine the number of small rooms reserved and the number of large rooms reserved.


13 small rooms and 9 large rooms

500

Identify the AOS, Vertex coordinate point, whether the vertex is a max or min, and the roots of the following:3n² - 15n + 18

AOS=2.5

Vertex= (2.5, -0.75) or (5/2, -3/4)

Vertex is a min

Roots are X= 2 and X=3

500

(10v3t-5 )/ (2v2t-2)-5

(320v13)/t15

500

What is the distance between (-8,-7) and (-6,2)to the nearest tenth?

9.2