Science Quiz / Math: Sometimes, Always, Never

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Quiz Updated Feb 10, 2015

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Score 0/15 Timer 15:00
2 Plays Today
Statement S/A/N % Correct
if x+y = z+y, then x=z???
83.5%
x*y > x+y???
79.4%
the sum of the interior angles of a triangle (Euclidean geometry) is 180º???
79.4%
if x*y < 0, then x<0 or y<0???
73.7%
for odds n and m, n*m is even???
71.2%
x^0=0???
68.2%
if x^2=1, then x=1???
67.3%
for x,y>0, if x/y < 1, then x < y???
66.5%
Statement S/A/N % Correct
for x,y ≠ 0, if x = 2*y, then x is even???
63.9%
for primes p,q,r, p*q*r+1 is prime???
58.4%
if x! = 1, then x=0???
51.2%
for prime p, p*x is also prime???
44.6%
if odd prime p = x^2 + y^2, then p ≡ 1 (mod 4)???
36.2%
for prime p, x^p - x is divisible by p???
35.9%
for x,y,z ≠ 0 and n > 2, x^n + y^n = z^n???
31.7%
 
Number % Answered
15 (all)
5.4%
13-14
10.5%
11-12
23.1%
9-10
22.1%
7-8
17.1%
5-6
10.9%
3-4
6.3%
1-2
4.7%

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