Match the formula - Statistics

General Stats

Answer Stats

Hint	Answer	% Correct
(a±b)^2	a^2±2ab+b^2	100%
Pythagorean Theorem	a^2+b^2=c^2	100%
Area of a circle	πr^2	100%
Area of a triangle	0.5bh	80%
Circumference of a circle	2πr	80%
(a+b)(a-b)	a^2-b^2	80%
Law of Sines	sinA/a=sinB/b=sinC/c	80%
Perimeter of an equilateral triangle	3s	60%
Perimeter of a square	4s	60%
Cos	adj/hyp	60%
x in ax^2+bx+c=0	(-b±(b^2-4ac)^0.5)/2a	60%
n choose k	n!/(k!(n-k)!)	60%
Sum of integers 1 through N inclusive	N(N+1)/2	60%
Tan	opp/adj	60%
Sin	opp/hyp	60%
Area of a trapezoid	0.5(b1+b2)h	40%
Perimeter of a parallelogram	2(l+w)	40%
Area of a square	s^2	40%
Area of an equilateral triangle	s^2(3^0.5)/4	40%
Slope	(y2-y1)/(x2-x1)	40%
Area of a parallelogram	bh	20%
Area of an ellipse	π(r1)(r2)	20%
Distance between two points	((y2-y1)^2+(x2-x1)^2)^0.5	20%

Score Distribution

Percent of People with Each Score

Percentile by Number Answered

Your Score History

You have not taken this quiz