Linear equations
Exponential
Quadratics
Key Features
Random
100
Solve: 4x + 7 = 31
x = 6
100
Use y = 250(1.2)^t What is the initial?
250
100
Algebra: How many zeros does (x+4)(x-2)=0 have? What are the zeros
Algebra: x=-4 , x=2
100
Algebra: Is this a function: {(1, 2), (2, 3), (2, 4)}
no because 2 has multiple outputs
100
What is the IQR of bookstore b.
IQR=60
200
Solve: 2(3x - 4) = 34
x = 7
200
Use y = 250(1.2)^t What is the growth rate?
20%
200
Algebra: What is the Standard form of the equation?
f(x)=(x+12)(x+4)
x^2 +16x+48
200
Does the mapping below represent a function? Why or Why not?
no
200
Calculate the interquartile range (IQR) for the data set: 8, 12, 15, 18, 22, 26.
IQR=15
300
Solve: 3x + 3 - 2x = 21
x = 18
300
Is the following growth or decay: f(x) = 7 (0.94)^x
Decay
300
What is the y- intercept of the following ?
g(x)=(x-5)(x+3)
y -intercept= -15
300
Do the set of ordered pairs represent a function?
(1, 4) (2,3) (6,5) (5,6) (-1,4) (0,0)
yes this is a function
300
What is the maximum for Bookstore A
MAX:110
400
Find the slope of the line that includes the following points. (-12, -9) (-3, -3)
= 2/3
400
The population in the town of Huntersville is presently 38,300. The town grows at an annual rate of 1.2%. Find the number population of the town after 9 years
Approximately 42,640 people
400
How many solutions does the following have?
x(x-4)=0
2 solutions x=0, x=4
400
What is/are the x-intercept(s) of this function?
x=3 , x=-4
400
What is the median of bookstore A?
Med:95
500
The amount y(in dollars) of money you have left after playing x games at a carnival is y = -0.75x + 10. How much money do you have after playing eight games?
y = -0.75(8) + 10 y = -6 + 10 y = 4 $4 dollars left after playing 8 games.
500
Use y = 250(1.2)^t What is the growth factor?
1.2
500
solve
(x-7)2 = 36
13 or 1
500
What is the domain of the function graphed below?
-∞<x<4
500
What would be a reasonable correlation coefficient for the
This is a strong positive linear correlation of .90 or above.