log_35× log_2527=………….
A.3/2 B.2/3 C.5/27 D.3/25 E. 5×27
10.If x=log_ba,y=log_cb,z=log_ac, then xyz=…………
A. 0 B. 1 C.-1 D. abc E. a+b+c
If log2=a, then =…….
A.a^2 B.2.5a C.1+a D.1-a E.1/2 a
12.If log2=a, log3=b, then log144=………….
A. a^4 b^2 B.4a+2b C.8ab D. a^2 b^2 E. None of
Which pair of points given below will determine a horizontyal line?
A.(3,5) and (-3,5) B.(4,2) and (2,4) C. (6,1) and (-6,-1)
D.(4,7) and (-3,7) E.(0,5) and (3,0)
6.Which of the following statement is (are) true?
1.If m>0 , then the segment makes an actual angle with the positive direction of X-axis.
If m<0 , the line segment makes an obtuse angle with the positive direction of X-axis.
If m is either positive or negative, then the line segment is nonvertical.
A.1 only B. 2only C. 1and3 only
