monthly testmathtup

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

1. 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
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
3. Given that the points A(-5,4), B(3,5), C(7,-2) and D(-1,-3). The measurement of the angle
   between AC and BD is
   A.0° B.30° C.45° D.60° E.90°
   13.Given that the points P(-12,1), Q(9,3) and R(11,-18). Which of the
   A.1 only B. 2 only C.3 only D.1 and 2 only E.2 and 3 only
   3.Given that S= {0,1,2,3,4} is the universal set and A={ x\ x3 – 9x =0 }.Then A=……..
   A.{ -3 , 0, 3 } B. { -3 , 0 } C.{ 0 , 3 } D.{ -3 , -3 } E.{0,9}
   4.The interval { x\ -2≤ x < 3 }is denoted by
   A.( -2 , 3 ) B. [ -2 , 3 ] C.[ -2 , 3 ) D.( -2 , 3 ] E. None of these
4. The graph on the number line is denoted by