Algebra
Domain of x=1
(20 sec)
1
What is the hypotenuse of a triangle with sides 1 and 1? (a=1, b=1)
sqrt(2)
Evaluate
log(1000)
(20 sec)
3
a four-sided polygon, or quadrilateral, that has at least one pair of parallel sides.
Trapezoid
What digit does not have a roman numeral?
0
Solve for x
2x+20=24
(20 sec)
x=2
What is the hypotenuse of a triangle with sides 9 and 12? (a=9, b=12)
(30 sec)
15
Tangent (Π)
(20 sec)
Undefined (1/0)
an equation that calculates the halfway point distance between two known coordinate points
mid point formula
Which was discovered first: Algebra, Geometry, or Calculus?
Geometry ~3000 BCE
What is the slope of a linear function that passes through (5,9) and (8, 27)?
Slope=6
The area of a circle with a radius of 13
(20 sec)
169π
divide
x^3-9x-10 by x+2
(75 sec)
x^2-2x-5
Asymptote
Which group was the first to develop and use fractions in 2000 BCE?
The Egyptians
If f(x)= x^2+7x-3, what is f(x+2)?
(30 sec)
x^2+11x+15
What is the supplementary angle to an angle of 76 degrees?
(20 sec)
104 degrees
On what interval(s) is this true?
x^2-x > 30
(40 sec)
(-infinity, -5) U (6,infinity)
A trigonometric function that for an acute angle in a right triangle is the ratio of the side opposite the angle to the hypotenuse
Sine
In what country were negative numbers first used back in 200 BCE?
China
Online concert tickets cost $37 each, plus a service charge of $8.50 per ticket. The Web site also charges a transaction fee of $14.99 for the purchase. Your budget is $241.49. How many tickets can you buy?
(120 sec)
4 tickets (you are 1$ off being able to buy 5)
How many sides does a hendecagon have?
(20 sec)
11
Find the inverse of f(x) = (2x+5)/(3x-4)
(90 sec)
f^-1(x)=(4x+5)/(3x-2)
a number which when multiplied by x yields the multiplicative identity, 1
Reciprocal
What did Al-Khwarizmi discover?
Algebra