Sarah flips a coin. What is the probability of her getting heads?
What is 1/2
100
Solve:
x=2
x^2 - 1
What is 3.
100
(x+y)^2-y^2
What is x^2+2xy
200
3y^2 + 6y + y
What is 3y^2 + 7y.
200
Find "x":
(6 + x)/2 =15
What is 24.
200
3% of 4,200 is equal to 6% of what number?
What is 2,100
200
x=4 y=6
(x^3 - y^2)/2
What is 14.
200
Find the coefficient of x^5.
(3^2+2x+7)(x^5+4x^4-2x^3+3x+2)
What is 9.
300
(7z + 2z)(3x + 4x)
What is 108zx.
300
Find "y":
9((12(2y + 6))/8y)=7
What is -2 11/27.
300
What is the probability of getting the card 4 red of diamonds or king red of heart out of a full deck?
What is 1/26
300
x=3 y=5
((x/y)(x^2)(y)) / 3
What is 9
300
Prove the following identity is true.
(x+1)(x^2-5x+3)=(x^3)-2x(2x+1)
What is
1. Plug in a number for "x" and if they are equal to each other they are identities.
2. x^3-4x^2-2x+3=x^3-4x^2-2x+3
400
(3x^3y)(4x^2 y^4)
What is 12x^5 y^5.
400
Simplify answer:
9(4 - 6x)= -12(x - 3)
What is 3/2.
400
Chris has 20 blue marbles and 2 red marbles in a bag. How many red marbles would he have to add so the probability of getting red is 1/5?
What is 3
400
x=7 y=2
((x+y)^2(2x))/yx
What is 112
400
Expand the expression:
2x^2+7x+6
What is (x+2)(2x+3)
500
((14x^2 + 6y^3)^2)/2
What is 98x^3 + 84xy^3 + (18y^6)/x.
500
Find "x":
3(√(23x^2+26x^2))=5
What is 5/21
500
Students at UICCP took a survey.
200 said they liked band.
198 said they liked choir.
52 said they like both.
How many didn't like either band or choir if there were 500 students who took the survey?
What is 206
500
x=9 y=3
(√(9-y)(x-y))/2(7-x)
What is -6/4
500
Let p(x)= 2x^4-5x^3+3x^2-2x+8 and q(x)= 2x^4-7x^3-x^2+6x-3. What is the degree of p(x)-q(x)?