Graph Attributes
What is the domain for the graph of y = x2?
all real numbers
Solve the following:
x2 - 1=0
x = 1,-1
Simplify:
sqrt(8y^5 x) sqrt (40y^2)
8y^3sqrt(5xy)
What's the difference between permutation and combination?
P- order important, C- order not important
What is the equation of the horizontal asymptote of the rational parent function?
y = 0
If two graphs are inverses, they are symmetric around what line?
y=x
Factor Completely, try a box: 7x3+42x2-8x-48
(7x2-8)(x+6)
Simplify
sqrt(28a^2 b)
2asqrt7b
What's the difference between arithmetic and geometric sequences?
arithmetic- adding pattern
geometric- multiplying pattern
What is 64(2/3)
16
What is the end behavior of y=x4+x3+x2+x+2?
Up on both the left and the right....both sides go to positive infinity.
Simplify:
(x3-6x2+2x+31) + (x2 - 3x + 2)
x3 -5x2 -x +33
Multiply and simplify:
(sqrt32 -3)(2+sqrt8)
What is
10+2sqrt2
Find the 12th term if a1=7 and d = 4.
a12= 51
Suppose z varies jointly with x and y and z = -36 when x = -3 and y = -4. What is the constant of variation?
k = -3
What is the end behavior of y=-x5-3x2-2x+6
Up on the left, Down on the right....
As x approaches negative infinity, y approaches positive infinity and x approaches positive infinity, y approaches negative infinity.
Simplify:
(x3-6x2+2x+31) - (x2 - 3x + 2)
x3 - 7x2 +5x + 29
Solve the following:
sqrt(29-2x) =sqrt(19 - x)
X = 10
Find the sum of the first 8 terms if a1= 3 and a8= 22.
S8=100
What are the asymptotes?
y=-3/(x+2)
x = -2, y = 0
y=(x-2)/((x-3)(x+4))
Name all the asymptotes for the following function
x=3, x=-4, and y=0
What are the zeros of y = 2x3 - 8x?
0, 2, -2
Solve:
8 = (16x)^(3/4)
x = 1
Find the infinite series...
200 + 100 + 50 + 25...
400
Simplify:
(x^2-6x)/(x^2-11x+30)
=x/(x-5)