58.In the xy-plane, at what two points does the graph of y = (x+a)(x+b) intersect the x-axis? 1) a+b = -1 2) The graph intersects the y-a...
মঙ্গলবার, ৭ জুন, ২০১৬
শনিবার, ৪ জুন, ২০১৬
What is the value of (2a+b)/(a+b)? (1) 3a/(a+b) = 7 (2) a+b = 3 Solution: 3a/(a+b)=7 =>a/a+b=7/3 => 1+a/a+b=1+7/3 =>2a+b/a...
Is xy < x^2*y^2? 1) xy>0 2) x+y=1 Solution: First simplify to xy < (xy)^2 using law of exponents With statement (1), you know t...
At least 100 students in a school study Japanese. 4% of students who study French also study Japanese. Do more students study French than J...
Set A, Set B, and Set C each contain only positive integers. If Set A is composed entirely of all the members of Set B plus all the members...
There are x people and y chairs in a room where x and y are positive prime numbers. How many ways can the x people be seated in the y chair...
Bobby and his younger brother Johnny have the same birthday. Johnny's age now is the same as Bobby's age was when Johnny was half a...
Hello, my name is Jack Sparrow. I'm a 50 year old self-employed Pirate from the Caribbean.