Tutors Answer Your Questions about Quadratic Equations (FREE)
Question 360654: the formula a=p(1+r)2 gives the amount A dollar that P dollars will grow to in 2 years at interest rate R (when R is given as a decimal) using compound interest what interest rate will cause 3000 to grow to 3182.70 in two years?
Click here to see answer by stanbon(75887)  |
Question 360654: the formula a=p(1+r)2 gives the amount A dollar that P dollars will grow to in 2 years at interest rate R (when R is given as a decimal) using compound interest what interest rate will cause 3000 to grow to 3182.70 in two years?
Click here to see answer by nerdybill(7384)  |
Question 360662: THE AREA OF A CIRCLE WITH RADIUS R IS GIVEN BY THE FORMULA A=nr2, IF A CIRCLE HAS A AREA 100n SQUARE INCHES WHAT IS THE RADIUS.
THE RADIUS IS _____________
SIMPLIFY YOUR ANSWER TYPE AN INTEGER OR A FRACTION................
Click here to see answer by mananth(16946)  |
Question 360704: GIVEN THE FUNCTIONS(X)=[X+1] FIND EACH OF THE FOLLOWINGS.
F(8), F(-7), f(0)
F(8)=________________ SIMPLIFY YOUR ANSWER TYPE AND INTEGER OR A FRACTION
F(-7)=__________________SIMPLIFY YOUR ANSWER TYPE AND INTEGER OR A FRACTION
F(0)=__________________SIMPLIFY YOUR ANSWER TYPE AND INTEGER OF A FRACTION
Click here to see answer by ewatrrr(24785)  |
Question 360729: Hi, I need as much help as I could possibly get in understanding how to solve quadratic equations Section 11.3. I am required to show all of the steps in detail of how I got the answer. Could someone please assist me with this problem:
Directions state:
Use the quadratic formula to solve equation.
1.)
x^2 + 15x+56=0
Click here to see answer by jim_thompson5910(35256) |
Question 360729: Hi, I need as much help as I could possibly get in understanding how to solve quadratic equations Section 11.3. I am required to show all of the steps in detail of how I got the answer. Could someone please assist me with this problem:
Directions state:
Use the quadratic formula to solve equation.
1.)
x^2 + 15x+56=0
Click here to see answer by ewatrrr(24785) |
Question 360730: I was wondering if someone who is an expert in this area could help me? I don't understand how to obtain the answer for the following problem. In order for me to get a good grade, I need to show all the steps I used to get the answer. I would be most appreciated and happy if you could show me how to solve the following problem:
Directions: Use the discriminant to determine the number and type of solutions for the given equation.
X^2+ 3x-4=0
according to my book it states that the answer is:
two rational solutions.
My question is how do I know this? What steps do I have to take to determine this? I thank you for your help!
Click here to see answer by jim_thompson5910(35256) |
Question 361010: the formula A=P(1+r)2 gives the amount A in dollars that P dollars will grow to in 2 years at int rate R (where R is given as a decimal) using compound interest what int. rate will cause $6000.00 to grow $6741.60 in 2 years ?
Click here to see answer by josmiceli(19441)  |
Question 361107: Hello! I am working on quadratic equations this week, in my Algebra class (section 11.4, #7). At the current moment I am stumped and totally confused on this one problem we are required to do. Apart of the requirements for completing the assignment is to show every single step on how I got to my answer. I wasn't sure if anyone could help me, but I thought I would post to see who's the master at these type of equations. Thank you so much in advance for all your help!
Directions: Solve the equation by making an appropriate substitution.
x-〖2x〗^(1/2)-8=0
Click here to see answer by mananth(16946) |
Question 361105: Jess here! I need some help! I am not good in math AT ALL and this includes intermediate Algebra (section 11.4). My teacher is requiring that we, the students, show every single step on how we obtained our answers. If someone could be so kind as to help me solve this problem (below), with every single required step on how you got your answer, I would be SO HAPPY and so GRATEFUL!
Directions state: Solve the equation by making an appropriate substitution.
x^4 - 〖40x〗^2+144=0
Thanks so very much!
Click here to see answer by mananth(16946) |
Question 361286: Hello! I am working on quadratic equations this week, in my Algebra class (section 11.4, #4). At the current moment I am stumped and totally confused on this one problem we are required to do. Apart of the requirements for completing the assignment is to show every single step on how I got to my answer. I wasn't sure if anyone could help me, but I thought I would post to see who's the master at these type of equations. Thank you so much in advance for all your help!
Directions: Solve the equation by making an appropriate substitution.
4.)
2x-11√x- 40=0
the answer the book gives is Answer= {64}, but I don't see how I obtain the answer. Any help you can give is GREATLY appreciated.
Click here to see answer by Alan3354(69443)  |
Question 361324: Hi, I am looking for some help! I need to show my work, (all steps I took to obtain the answer, but I have no idea how to complete the problem. Could someone please help me? (section 11.1, #7)
Directions:
Solve each equation by the square root property. If possible, simplify radicals or rationalize denominators. Express imaginary solutions in the form a +bi.
〖3x〗^2-2=0 (the first part should be 3x (squared) but for some reason it's not showing that way). If you can show me the steps and how to obtain the answer that is: {±√6/3}
Click here to see answer by stanbon(75887) |
Question 361324: Hi, I am looking for some help! I need to show my work, (all steps I took to obtain the answer, but I have no idea how to complete the problem. Could someone please help me? (section 11.1, #7)
Directions:
Solve each equation by the square root property. If possible, simplify radicals or rationalize denominators. Express imaginary solutions in the form a +bi.
〖3x〗^2-2=0 (the first part should be 3x (squared) but for some reason it's not showing that way). If you can show me the steps and how to obtain the answer that is: {±√6/3}
Click here to see answer by Alan3354(69443) |
Question 361331: Hi, I was wondering if someone could possibly help me. I am supposed to do these homework questions in my Algebra class, but I am having a hard time getting started. I don't know what steps to go through to obtain the answer. The back of the book shows the answers, but that doesn't help me much. I need to show I got to the answer. If anyone could possibly assist me, by showing me how you obtained the answer, I would be forever grateful! :o)
(Section 11.1, Pg. 749, # 107)
Directions: In the following exercise use the compound interest formula
A=P(1+r) ^t to find the annual interest rate, r.
In 2 years, an investment of $1280 grows to $1445.
the answer in the back of the book is: 6.25%, but I have no idea how they got this answer. Your help is forever appreciated! :o)
Click here to see answer by edjones(8007)  |
Question 361342: Hi, I was wondering if someone could possibly help me. I am supposed to do these homework questions in my Algebra class, but I am having a hard time getting started. I don't know what steps to go through to obtain the answer. The back of the book shows the answers, but that doesn't help me much. I need to show I got to the answer. If anyone could possibly assist me, by showing me how you obtained the answer, I would be forever grateful! :o)
Section 11.2, Pg. 762, #3.
Directions: Solve each equation using the quadratic formula, simplify solutions, if possible.
〖2x〗^2-7x=-5 (the first part should read 2x squared)
the answer it shows in the back of the book is: {1,5/2}
Click here to see answer by stanbon(75887) |
Question 361348: Hi, I was wondering if someone could possibly help me. I am supposed to do these homework questions in my Algebra class, but I am having a hard time getting started. I don't know what steps to go through to obtain the answer. The back of the book shows the answers, but that doesn't help me much. I need to show I got to the answer. If anyone could possibly assist me, by showing me how you obtained the answer, I would be forever grateful! :o)
Section 11.2, Pg. 764, #79
The longer leg of a right triangle exceeds the shorter leg by 1 inch, and the hypotenuse exceeds the longer leg by 7 inches. Find the lengths of the legs. Round to the nearest tenth of a inch.
The answer the book shows is: 17.6in. and 18.6 in.
I don't understand how they were able to get this answer. Any help is greatly appreciated. Thanks!
Click here to see answer by stanbon(75887) |
Question 361402: I am having some difficulty with quadratic equations. The problem is, I don't understand the steps I should take to get the correct answer. Could you possibly show me each step I should take to find the anwer? I appreciate anyone and everyone's help!
Section 11.4, #6
Direction: Solve the equation by making an appropriate substitution.
(2x-4 )^2-6(2x-4)-7=0 (it should say (2x-4) squared)
The correct answer according to the book is: {3/2. 11/2}
Click here to see answer by jim_thompson5910(35256) |
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