JaneLee
Most popular questions and responses by JaneLee
Algebra II
Solve this system using matrices. 3.7x  2.3y + 4.2z = 8 2.6x + 4.6y  3.9z = 10 8x + 2z = 20
asked on October 26, 2007 
Algebra II
1. If y varies directly as x, and y=30 when x=4, find the constant of proportionality. 2. If y varies inversely as x, and y=2 when x=10, find x when y=4. 3. If a varies jointly as b and c, and a=10, when b=12 and c=2, find a when b=8 and c=1/2.
asked on January 28, 2008 
English ( Dr. Faustus and To Heaven)
Write a compare/ contrast essay of Dr.Faustas and To Heaven in regards to one of these issues: grace, forgiveness, salvation, and damnation OR relationship of the individual to cosmic beings like God, Satan, and devils. My essay needs to be between 300 and
asked on November 14, 2007 
Algebra II repost please check
I posted these a little while ago but this time I have answered them. 1. Does the graph of y = x – 3x2 + 5 have a maximum or minimum? 2. What is the vertex of the graph of y = 2(x  3)2 + 4? 3. Does the graph of y = 2(x  3)2+ 4 open up or down? My
asked on November 27, 2007 
Algebra II
Can a matrix have a two digit number? I have to add the matrices[3 4] +[2 7] [7 6] +[3 8] Sorry this is the only way I know haw to put matrices on the board.
asked on October 27, 2007 
Algebra II
1. solve this system using matrices: 3.7x2.3+4.2z=8 2.6+4.6y3.9z=10 8x+2z=20 2. Write this system as a matrix equation: 2x+y=8 7x3y=10
asked on October 23, 2007 
Algebra II
Does the graph of y = x – 3x2 + 5 have a maximum or minimum? What is the vertex of the graph of y = 2(x  3)2 + 4? Does the graph of y = 2(x  3)2+ 4 open up or down?
asked on November 27, 2007 
Algebra II
What is the first step for solving this system by substitution? DO NOT SOLVE!! 3x2y=8 x+7y=10 How many solutions does this system of equations have? 3y6x=12 y2x=4 My answer is 1 solution. Is this correct?
asked on October 28, 2007 
Algebra II
Solve this system by substitution 2x3y=12 x4y=6
asked on October 28, 2007 
Algebra II
What are the dimensions of the answer if you multiply a matrix with the dimensions 3 x 0 by a matrix with dimensions 0 x 3?
asked on October 26, 2007 
Algebra 2
Can someone please explain to me how to solve logarithmic equations? Some examples are: 5=log2X 3^5x+1= 40 and log6X+(log6)7=(log6)35 I hope that makes sense because logs are hard to type.
asked on April 18, 2008 
Algebra II
Solve: (2x – 3)(3x – 5) = 0 Solve by the quadratic formula. Leave the square root in your answer: 3x2 – x – 8 = 0
asked on November 28, 2007 
Algebra II
How do you find the vertex of a quadratic function? What are the steps to solving a quadratic function using factoring? Please help!
asked on November 28, 2007 
Kent, England
I am looking for information on Kent England( location, history, anything). I', doing a family research project and my ancestors are from Kent England.
asked on November 15, 2007 
Algebra II
How can you tell if a table of values(ttable) represents a direct variation?
asked on January 29, 2008 
Algebra II
How can you tell if a table of values(ttable) represents a direct variation?
asked on January 28, 2008 
Algebra II
How do you find the inverse of a matrix?
asked on October 28, 2007

Algebra II
No one has to answer I figured it out. Sorry to waste your time. JaneLee
posted on October 28, 2007 
Algebra II
Yes I ment 3 x 1 multiplied by 1 x 3. Sorry.
posted on October 26, 2007