What is the sum of the interior angles of a trapezoid?
360 degrees
100
If two girls are trying on shirts and there are ten different colored shirts, how many different choices can the two girls make?
90
100
Define a parallelogram.
A quadrilateral with both pairs of opposite sides parallel.
100
what are the solutions to y=x(x+5)?
x= 0,-5
200
What is (x+7) X (x+4) in simplest terms?
x2+ 11x + 28
200
Of the four points of concurrency, how many are inside an obtuse triangle?
2
200
How many permutations can be made out of the letters in MATH?
24
200
Define Mean Absolute Deviation.
The mean absolute deviation of a numerical data set is the average deviation of the data from the mean.
200
In the equation of the function f(x) = x+2 changes to f(x)= -x-2. What happened to the graph of the function?
It reflects across the x-axis
300
Factor:t2-11t+30
(t-5) (t-6)
300
What is the point of concurrency of the altitudes of a triangle?
Orthocenter
300
What is the interquartile range of the following data?
{1,1,2,3,7,8,10}
7.5
300
Define a quadratic function.
A nonlinear function that can be written in the standard form
f(x)=ax2 + bx + c where a is not equal to 0.
300
What is the midpoint of (6.4,3) and (-10.7, 4)?
(-2.15, 3.5)
400
f(x)=1/4x+1/2; find f(12)
3.5
400
Given the conditional statement, "If an equation is linear, then it has only one solution." What is the contrapositive of that statement?
If an equation does not have only one solution, then it is not linear
400
The weights of five packages are 5 pounds, 7 pounds, 8 pounds, 5 pounds, 5 pounds, and 10 pounds. What are the mean, median, and mode of these weights?
7.0, 7.0, 5.0
400
Define incenter of a triangle.
The point of concurrency of the three angle bisectors of the triangle.
400
In the equation 10 + SQRT x = 20
100
500
What are the factors of x2 + 48x + 135
(x+3)(x+45)
500
Graph the points (0,0), (1,2), (4,0), (5,2) to find out what shape they create. What shape do they create?
Parallelogram
500
The probability that the Red Sox and the Braves will both win a baseball game in the same day is 20%. The probability that the Braves will win in 55%. What is the probability that the Red Sox will win given that the Braves have already won?
36%
500
What is the difference between an even and an odd function?
A function f is an even function if f(-x) = f(x). The graphs of even functions are symmetric about the y-axis.
A function f is an odd function if f(-x) = -f(x). The graphs of odd functions are symmetric about the orgin.
500
Use the points A=(-4,4), B=(-4,2), C=(3,2) and the Pythagorean Theorem to find the distance between A and C. What is the distance?