Questions on Algebra: Quadratic Equation answered by real tutors!

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Question 44755: Solve using the quadratic formula

Thanks in advance for any help that can be given on this.
Click here to see answer by Rekham(3)

Question 44755: Solve using the quadratic formula

Thanks in advance for any help that can be given on this.
Click here to see answer by kdturnage(4)

Question 44756: I'm not sure if I'm posting this question in the right place, but here goes:
Take a number.
Add 1.
Square the result.
Then subtract from it the product of the original number times two more than the original number.
What did you get?
Will it always be 1.
Can you explain?
Click here to see answer by Nate(3495)

Question 44754: Solve using the quadratic formula

Thanks in advance for any help that can be given on this.
Click here to see answer by Nate(3495)

Question 44753: Solve by completing the square.

I thought I was doing the problem right but when I completed the check it was not. This is what I did:

or
or
Click here to see answer by Nate(3495)

Question 44777This question is from textbook INtermediate Algebra

: I am having problems with this problem as I am having a very hard time grasping the problems at this stage, the answers are in the back of this book but i think if i can see the whole problem worked out I will understand it much better. Here is the problem
use factoring to solve each equation
r^2 = 12x = 0This question is from textbook INtermediate Algebra

Click here to see answer by Nate(3495)

Question 44777This question is from textbook INtermediate Algebra

Click here to see answer by lomlheather(1)

Question 44778This question is from textbook intermediate algebra

: here is another i am having problems with
2x^2 + 5x - 2 = 0 this is on completing the square to solveThis question is from textbook intermediate algebra

Click here to see answer by stanbon(26259)

Question 44778This question is from textbook intermediate algebra

: here is another i am having problems with
2x^2 + 5x - 2 = 0 this is on completing the square to solveThis question is from textbook intermediate algebra

Click here to see answer by kdturnage(4)

Question 44779This question is from textbook intermediate algebra

: I am having problems with this problem as I am having a very hard time grasping the problems at this stage, the answers are in the back of this book but i think if i can see the whole problem worked out I will understand it much better. Here is the problem
use factoring to solve each equation
r^2 = 12x = 0
This question is from textbook intermediate algebra

Click here to see answer by stanbon(26259)

Question 44832: I don't know how to figure this problem out, please help.
Solve each of the following quadratic equations.
4x^2 = 13x + 12
Click here to see answer by checkley71(8405)

Question 44832: I don't know how to figure this problem out, please help.
Solve each of the following quadratic equations.
4x^2 = 13x + 12
Click here to see answer by kdturnage(4)

Question 44879: HELP...I don't understand this, is there multiple answers?
FACTOR EACH POLYNOMIAL COMPLETELY. TO BEGIN, STATE WHICH METHOD SHOULD BE APPLIED AS THE FIRST STEP, GIVEN THE GUIDLINES OF THIS SECTION. THEN CONTINUE THE EXCERCISE AND FACTOR EACH POLYNOMIAL COMPLETELY.
2P - 6Q + PQ - 3Q2
Click here to see answer by josmiceli(3003)

Question 44885: Solve the system of equations.
2x + y = 0
x - 3y + z = 0
3x + y - z = 0

Click here to see answer by AnlytcPhil(958)

Question 44877: Please help me solve this problem....
REWRITE THE MIDDLE TERM AS THE SUM OF TWO TERMS AND THEN FACTOR COMPLETELY.
12w^2+19w+4
Click here to see answer by psbhowmick(456)

Question 44878: I don't understand how to do this...
REWRITE THE MIDDLE TERM AS THE SUM OF TWO TERMS AND THEN FACTOR COMPLETELY.
4Z^3 - 18Z^2 - 10Z
Click here to see answer by psbhowmick(456)

Question 44940: (x-1)2=(12y-1).This is a 6 answer question my son is having trouble with. we need to find the:
1]vertex
2]focus
3]axis of symmetry
4]directrix
5]direction
6]length of latus rectum
Click here to see answer by Nate(3495)

Question 44997: 10/x - 12/x-3 + 4 = 0
Click here to see answer by Nate(3495)

Question 44994: 10/x - 12/x-3 + 4=0
Click here to see answer by Nate(3495)

Question 45004This question is from textbook

: A garden area is 30 ft long and 20 ft wide. A path of uniform width is set around the edge. If the remaining garden area is 400 ft2, what is the width of the path?This question is from textbook

Click here to see answer by adamchapman(301)

Question 45002This question is from textbook

: Where do I start?
Find two consecutive positive integers such that the sum of their squares is 85.
This question is from textbook

Click here to see answer by adamchapman(301)

Question 44982: This one involves solving by completing the square: x(squared)-6x+6=0
I came up with an answer of 3 is this correct? Here is my work simplified
x(squared)-6x=-6
x(squared)-6x+9=9-6
x(squared)+3=+3
then (x-3)squared = 3
x=3

Click here to see answer by tutorcecilia(2042)

Question 45043: the sum of the squares of two consecutive even integers is 1252
Click here to see answer by Nate(3495)

Question 45043: the sum of the squares of two consecutive even integers is 1252
Click here to see answer by adamchapman(301)

Question 45044: a FATHER is four times as old as his dauther. In 6 years, he will be three times as old as she is. How old is the dauther now?
Click here to see answer by Nate(3495)

Question 45045: A rectangular bedroom is 7 ft longer than it is wide. Its area is 228 ft (square) what is the width of the room
Click here to see answer by Nate(3495)

Question 45047: A pasture is twice as long as it is wide. Its area is 115,200 Ft^2. How widw is the pasture?
Click here to see answer by Nate(3495)

Question 45046: A woman earns 15% more than her husband. Together they make $69,875 per year. What is the husband's annual salary?
Click here to see answer by Nate(3495)

Question 45048: Craig is saving to buy a vacation home He inherits some money from a wealthy uncle, then combines this with the $ 22,000 he has already saved and doubles the total in a lucky investment. He endes up with $ 134,000, just enough to buy a cabin on the lake. How much did he inherit??
Click here to see answer by Nate(3495)

Question 45057: 4 !x + 2! - 3 < 13
Click here to see answer by Nate(3495)

Question 45059: !x + 1/2! >_ 4
Click here to see answer by stanbon(26259)

Question 45059: !x + 1/2! >_ 4
Click here to see answer by Nate(3495)

Question 45058: !x-9! > 9
Click here to see answer by stanbon(26259)

Question 45058: !x-9! > 9
Click here to see answer by Nate(3495)

Question 45056: !x-2/3! < 2
Click here to see answer by Nate(3495)

Question 45056: !x-2/3! < 2
Click here to see answer by stanbon(26259)

Question 45055: !x!<7
Click here to see answer by Nate(3495)

Question 45054: 1<3x + 4 _< 16
Click here to see answer by Nate(3495)

Question 45054: 1<3x + 4 _< 16
Click here to see answer by stanbon(26259)

Question 45053: -1<2x-5<7
Click here to see answer by Nate(3495)

Question 45052: 1/2x-2/3 >2
Click here to see answer by Nate(3495)

Question 45051: 1/2 X - 2/3 > 2
Click here to see answer by Nate(3495)

Question 45050: 2x _< 7
Click here to see answer by Nate(3495)

Question 45049: All paints with watercolors on a sheet of paper 20 ijn wide by 15 in high. He then places this sheet on a mat so that a uniformly wide strip of the mat shows all around the picture. The perimeter of the mat is 102 in. How wide is the strip of the mat showing around the picture??
Click here to see answer by Earlsdon(4898)

Question 44996: 10/x - 12/x-3 + 4=0
Click here to see answer by abhijitvakil(7)

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