3+log_25=……..
A.log_240 B.log_24 C.log_2150 D. log_215 E.log_260
log0.01=………
A. 2 B. -2 C.1/2 D.-1/2 E.0
log_240+log_20.1+log_20.25=……….
A. 0 B. 1 C.2 D. 3 E.4
log_2〖2√2〗=………
A. 2/3 B.1 C.1 1/2 D.-3/2 E.-2/3
log_(x-2)(2x^2-10x+13) = 1; x=?
A.-3 B.-5/2 C. 5/2 D. 2/5 E. 3 or5/2
If log2=m , then log_85 =………
A. (1-m)/3m B.1/3m C. (3-m)/m D. (1-m)^3 E.(3-m)/m
The point M(0,5) bisects the line joining P(4,0)and Q(x,y), then the coordinate of Q is
A.(2,5) B.(4,5) C. (-4,10) D.(-4,-10) E.(-4,-5)
8.a and b ate two real numbers and a≠b, then the slope of the through(a,b) and (b,-a) is
A.0 B.1 C.-1 D.a/b E.b/a
The slope of the line joining the points(x,-3) and (9,11) is 2 then x=…………
A.8 B.4 C.-4 D. 2 E.-2
The points A(2,-2) , B(4,2) and C is any point on AB. What is the slope of AC?
A.1/2 B.1 C.2 D.-2 E.-1
11.If the points D(-4,6), E(1,1) and F(x,y) are collinear, then x+y=…………
A.2 B.1 C.3 D.-1 E.-2
