Algebra
7x-4=3x+20
x=6
Value of log(1000)
3
Probability of flipping two heads in two coin flips
1/4
What is the 15th term of the arithmetic sequence 2,7,12,17,….
72
Factor: x2−11x+24
(x-3)(x-8)
Simplify: ln(e7)
7
A bag has 3 red, 2 blue, and 5 green marbles. What is the probability of drawing green.
1/2
What is the explicit formula for the arithmetic sequence with a1= 5 and d=4.
an=5+4(n-1)
Solve for x: 2/x = 5/(x-3)
x=-6
Find x: log3(x)=4
x=81
Rolling two fair six‑sided dice, what is the probability the sum is 9.
1/9
What is the 7th term of the geometric sequence with a1=9 and r=1/3.
9(1/3)6=1/81
What is the vertex of this quadratic?
2x2-4x+1
(1,-1)
What is expanded form of log(a2b5)?
2loga+5logb
A card is drawn from a standard deck. This is the probability of drawing a face card. (There are 12 head cards in a deck and 52 total)
12/52 = 3/13
What is the sum of the first 10 terms of the geometric sequence 3,6,12,24,….
3(210-1)=3069