Two sample Quiz that I need solved so I can study from

Sample Quiz #2 1) Vectorize each of the following MATLAB expressions: (a) sqrt(1 ^ 2)q+ (b) 1 / q

2) For 1 0.5 2 3

A  

= −  and

2 1 1 0.2

B  

= −  , manually, find the determinants of A , B , and C AB= .

3) Write the polynomial 2( ) 2 15f x x x= − − as a product of first order factors. 4) Obtain 3 1 2/c c c= , where 1 2 3c j= + and 2 3c j=− + . 5) For the sinusoidal voltage ( ) 3 cos(20 / 6)x t tπ π= − + mV, find the amplitude, frequency, period and phase angle. Give units with each answer. 6) Find the phasor X of ( ) 7 sin(4 / 6)x t tπ π= − − . 7) Use 10ω π= rad/sec, and find the sinusoidal time function that has the phasor: X j= − . 8) Use a = -2, b = 3 and c = 5, and find the results of (a) d = a^2 >= c (b) e = (a > b -4)+c <= b^2 (c) f = a+b == c-4 9) For a = 2, b = 0 and c = -5, find the results of (a) d = a | (b & c) (b) e = and(a,b)|c (c) f = a & c | ( b & ~a) (d) g = a & c | b & ~a (e) h = (b && c) | (b || a) (f) p = a & xor(~b,c) 10) For a = -2, b = 4 and c = 2, find the results of (a) d = (a ~= c -2) & a^2 > b, (b) e = sqrt(a^2 + b^2) < abs(c) | (a+b)/2 >= c ,