Logarithmic and Exponential Equations
Is the following formula for an exponential or logarithmic equation?
F(x)=bxExponential.
Write tanx in terms of sin and cos.
SinX/CosX
The following is a __x__ system of equations.
4x+7y-z=15
x+7z=5
8x-3y+2z=19
3x3
What is the row echelon form of a 2x2 matrix?
{10}
{01}
Identify the conic section.
Parabola
Is the following formula for an exponential or logarithmic equation?
Logbx=y
Logarithmic.
What is the value of X?
1
What are the three methods of solving a system of equations?
Graphing
Substitution
Elimination
What equation is needed to complete row echelon form?
{1 0 0}
{0 1 0}
{0 4 1}
-4R2+R3
(x-h)2+(y-k)2=r2 is the standard form equation of which conic section?
circle
Convert Logb64=3 into its exponential form.
B3=64
TanX2+1=______
sec2x
A ____ ____ ____ is defined as the sum of the partial fractions equaling the original rational expression.
Partial Fraction Decomposition
What is the value of X?
{2 8 | 12}
{3 4 | 10}
x=2
A ________ is the set of all points on a plane such that the distance from two set points, called foci, is constant.
Hyperbola
Logbx=Logby if _____.
X=Y
What is the value of X?
√3
A system of equations can be measured as a 2x2, 3x3, etc. based on the number of ______ and ______ present.
variables
equations
According to the properties of the Gauss Jordan method, what are the values of x, y, and z in the following matrix?
[1 0 0 | 5]
[0 1 0 | 3]
[0 0 1 | 7]
x=5, y=3, y=7
The foci of a vertically oriented hyperbola can be denoted as what?
(h,k+c) and (h,k-c)
If K>0, what is the exponential growth equation?
A=A0ekt
Sin(A+B)=______
sinAcosB+cosAsinB
Are two coinciding lines a dependent or independent system?
Dependent
What are the three row operations?
1. Interchange two rows.
2. Multiply a row by another row.
3. Add k times a row to another row.
The distance formula is denoted as what?
d=√(x_2-x_1)²+(y_2-y_1)²