Trivia Quiz 268: Advanced Math Quiz

Play Quiz 268

Advanced Math Quiz
Very difficult

10 q by quizmaster for 39 points - Free

You 'd better be good at mathematics, because this quiz is challenging you in formulas, functions, complex numbers and difficult mathematical problems.

Clock:

Time bonus: 60 points

1/10: What is the determinant of the 2x2 matrix A, when the first row of A = (a,b) and the second row of A equals (c,d) (4 points)

a + b + c + d
(a x d) - (b x c)
a² + d²

2/10: In complex numbers, i is the imaginary unit. How much is i²? (3 points)

1
0
-1

3/10: The sine of an angle in a right triangle is equal to : (5 points)

the ratio of the length of the opposite side to the length of the adjacent side
the ratio of the length of the adjacent side to the length of the hypotenuse
the ratio of the length of the opposite side to the length of the hypotenuse

4/10: if A is positive infinite. How much is 1 / exp(A) ? (4 points)

positive infinite
1
0
negative infinite

5/10: the derivative of a curve is equal to: (3 points)

the slope of that curve
the value of that curve for infinity
the area of the section enclosed by the curve

6/10: Suppose you have a right triangle with legs a and b.
which theorem says that sqrt(a² + b²) equals the length of the hypotenuse? (3 points)

Euler theorem
Pythagorean theorem
Fourier theorem

7/10: which function is not continuous? (5 points)

f(x) = exp(x)
f(x) = 1/(1-x)
f(x) = ln(x)

8/10: in Boolean algebra, 1 + 1 equals (4 points)

2
1
0
11

9/10: Suppose that A and B are statistical events whith probability of occurence P(A) and P(B). What is the chance that both events happen at the same time? (5 points)

P(A) x P(B)
P(A) + P(B)
P(A) x P(B) - (P(A)/P(B))
P(A)² x P(B)²

10/10: What curve is obtained by cutting a conical surface by a plane parallel to a generating straight line of the cone. (3 points)

an ellips
a circle
a parabola

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