Algebra
Functions
Geometry
Statistics
100
Factor: 25x2-4
(5x+2)(5x-2)
100
The equation of the axis of symmetry of the graph of y=2x2-3x+7 is...
x=3/4
100
What is the distance between the points (1,-2) and (-3,1)?
5 Units
100
Carla believes that the number of hours of video games a student plays will negativity effect the student’s grade point average. Which value represents a correlation coefficient that would strongly support Carla’s belief?
A –0.90
B –0.50
C 0.00
D 0.20
A
200
Simplify: (x3+6x-4)-(2x2+5x-2)
x3-2x2+x-2
200
What are the roots of the following function
f(x)=x2-3x-18
x=-3 and x=6
200
Write is the equation of the line parallel to the line
2x-5y = 10 and passing through the point (5,-2)?
y=2/5x-4
200
What is the linear correlation coefficient for the values shown in the table?
0.977
300
Factor: 3x2+x-2
(3x-2)(x+1)
300
Write the equation that would represent the following situation.
An initial patch of molds in a laboratory covers 5 cm2 The area of the patch is increasing at a rate of 12% per day. What will be the area of the patch after x amount of days
f(x)=5(1.12)x
300
One endpoint of a line segment is at (1,2). The midpoint of the line segment is at (5,8). Determine the coordinate of the other endpoint.
(9,14)
300
Brian recorded the temperature outside his house at noon each day for the past nine days. His results are listed below.
15, 16, 16, 19, 20, 23, 24, 24, 25
What is the interquartile range of the temperatures Brian recorded?
8
400
Simplify: (s-7)2
s2-14s+49
400
A rectangle is four times as long as it is wide. Its perimeter is 200cm. Find the length of the rectangle
80cm
400
What is the area of the rectangle below?
6x2+ 14x-12
400
An elevator can hold a maximum of 1,500 pounds. Eight people need to use the elevator. Bill had some measures from the data set of how much each person weighed. Which measure would be most useful to determine if the people can safely use the elevator?
A. mean
B. median
C. mode
D. interquartile range
A
500
Simplify:
4x-3[5x-2(3-x)+6x]
18-35x
500
Write the geometric sequence for the following sequence?
3, -12, 48, ...
y=3(-4)^x
500
A map is placed on a coordinate grid. On the map, city 1 is located at the point (35, 78), and city 2 is located at the point (47, 122). What are the coordinates of city 3 located halfway between city 1 and city 2?
(41, 100)
500
Mrs. Algebra's class has an average grade of 87. Later on she realizes she left out Joe's score. His grade was a 65. Will the mean increase, decrease or remain the same?
Decrease