Powers and Roots
Simplify: x2 * x8
x10
2z-31=-9z+24
z=5
Find the solution:
y = 3x - 4
y = -3x + 2
x = 1
y = -1
Name A, B and C:
3x2 + 5x + 4 = -5 - x
a=3
b=6
c=9
Name the slope and the y intercept:
5x - 3y = 12
m = 5/3 and b =-4
Simplify: (x3)5
x15
11x=20x+18
x=-2
Find the solution to the system:
y = x + 4
y = 2x + 5
x = -1
y = 3
Simplify:
(x + 8)(x - 5)
x2 + 3x - 40
frac{x + 4}{8 }=frac{x - 1}{9}
x = -44
Simplify:
4n^8/12n^2
n^6/3
4n+13=n-8
n=-7
The solution to the system of equations:
r + s = -6
r = -10 + s
r = -8
s = 2
Solve using the Quadratic Formula:
x2- 14x + 45 = 0
x = 9 or 5
Jeanette is pulling out M&Ms from a bag that contains 40 browns, 20 yellows, 10 blue, 8 red and 2 green. What is the probability of pulling out two greens in a row (without replacing the first green)?
1/3160
Simplify the square root:
sqrt(200x^5y^6)
10x^2y^3sqrt(2x)
Suppose a video store charges nonmembers $4 to rent each video. A store membership costs $21 and members pay only $2.50 to rent each video. For what number of videos is the cost the same?
14 videos
The solution to the system
y = x - 2
3x - y = 16
x = 7
y = 5
Solve using the Quadratic Formula: 2x2 - 8x + 12 = x
No Solution
frac{5a^2b^3c}{6abc} -: frac{a^2bc^4}{4a^3b}
frac{10a^2b^2}{3c^4}
Simplify the square root:
Write without negative powers: 5^-2x^-4y^3z^-6
(y^3)/(25x^4z^6)
If you pay a one-time fee of $30, you can purchase gold tickets for your local minor league baseball team for only $3 a game. Regular tickets sell at the stadium for $6. How many gold tickets would you need to buy to equal the cost of the tickets.
10 tickets
The solution to the system
3s - 2t = 4
t = 2s - 1
s = -2
t = -5
Factor into Binomials: x2 - 12x +20
(x - 10)(x - 2)
Find the equation of the line that goes through (5, -2) and has a slope of 3.
y + 2 = 3(x - 5)