Probability
A card is drawn from a standard
deck, not replaced, and another is
drawn. What kind of event is this?
Dependent
root(3)(-250)
-5root(3)(2)
sqrt(x)+5=12
49
(20x^2)/(14x^6)
(10)/(7x^4)
x/(x-2)+5/x
(x^2+5x-10)/(x^2-2x)
A die is rolled 3 times. What kind of event is this?
Independent
sqrt(324A^3B^7)
18AB^3sqrt(AB)
-36=-9(c-12)^(1/2)
28
(x^2-49)/(7-x)
-x-7
(6x)/(x-1)-(x+5)/(x-1)
5
Natalie guessed on the last four true or false
questions on her math quiz. What is the
probability that she got all four questions
correct?
1/16
3root(3)(54)-2root(3)(2)+7root(3)(-16)
-7root(3)(2)
4sqrt(3x+15)=12sqrtx
5/2
(4x^2-4x)/(2x^2+4x-6)*(x^2+x-6)/(4x^2+8x)
(x-2)/(2x+4)
x/(x-1)=4/x
2
A card is drawn from a standard
deck, not replaced, and another is
drawn. What is the probability of
choosing a heart then a spade?
13/204
sqrt(15)(2sqrt(6)-7sqrt(5))
6sqrt(10)-35sqrt(3)
sqrt(6m-38)=m-5
7, 9
(10)/(4x-8)div(2x^2+6x)/(x^2+x-6)
5/(4x)
4/3-7/x=1/6
6
The ice cream shop offers a choice of a 3 cone sizes, 15 flavors, and 8
toppings. How many cones are possible if you can only choose one flavor
and one topping?
360
(-20sqrt(315))/(5sqrt(5))
-12sqrt(7)
sqrt(x-21)=sqrt(x)+7
no solution
(x/2)/(x^2)
1/(2x)
x/(x-2)+2=8/(x^2-4)
-8/3