Algebra
Solve for x
x+12=14
(20 sec)
2
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
2(4x+4x)-8x=-24
(40 sec)
x=-3
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
What are the first 5 digits of pi
3.14159
If f(x)= x^2+7x-3, what is f(x+3)?
(40 sec)
x^2+13x+27
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
A bat and a ball cost £1.10. The bat costs £1 more than the ball. How much does the ball cost?
(120 sec)
0.05£
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