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 Question 201614: How do you know if a quadratic equation will have one, two, or no solutions? How do you find a quadratic equation if you are only given the solution? Is it possible to have different quadratic equations with the same solution? Explain. Provide your classmate’s with one or two solutions with which they must create a quadratic equation Click here to see answer by solver91311(16897)

 Question 201636: Hi, Could you help me to find a way to this problem?!Tanks=) One number is 6 less than a secound number.The product of the numbers is 48 more than the square of the smaller number.Find the two numbers. I tryed to solve with this way but i couldnt finish it: Click here to see answer by RAY100(1637)

 Question 201666: FIND THE VALUE OF 'X' BY QUADRATIC FORMULA 1. 9x^2-9(a+b)x+2a^2+5ab+2ab^2=0 2.a^2b^2x-(4b^4-3a^4)x-12a^2b^2=0 I WILL BE THANKFUL PRIYAL Click here to see answer by jim_thompson5910(28595)

 Question 201718: This is a word problem and I can't use the perfect square I have to use the quadratic equation 5x7 photo that I have to put on a piece of paper the area of the mat should equal that of the picture. I have to determine the proper l and width. 5x7 = 35 sp" (5 + 2x)(7+2x) = 35 answer: l = 10.33 w = 9.33 but it's wrong that is larger than the photo Click here to see answer by Alan3354(30993)
 Question 201718: This is a word problem and I can't use the perfect square I have to use the quadratic equation 5x7 photo that I have to put on a piece of paper the area of the mat should equal that of the picture. I have to determine the proper l and width. 5x7 = 35 sp" (5 + 2x)(7+2x) = 35 answer: l = 10.33 w = 9.33 but it's wrong that is larger than the photo Click here to see answer by Theo(3464)

 Question 201740: Solve the equation x^2 + 8x - 2 = 0 using both the quadratic formula and completing the square method. Click here to see answer by Alan3354(30993)

 Question 201688: solve the equation by taking square root: 8x^2-3=-155 Click here to see answer by RAY100(1637)

 Question 201744: A retailer spen \$48 to purchase a number of special mugs. Two of them were broken in the store, but by selling each of the remaining mugs for \$3 above the original cost per mug, she made a total profit of \$22. Rewrite the equation of (n-2)(3+(48/n))=48+22 in a quadratic equation. Click here to see answer by ankor@dixie-net.com(15656)

 Question 201886: Please, I need help. for the line 2x-5y=852 find the slope? find the slope as a line to it thanks sooooo much Click here to see answer by PRMath(123)

 Question 201885: Hi there. I need some help. solve for x or y. 2x-3y=2 7x-7y=5 I dont understand the -2 Click here to see answer by PRMath(123)

 Question 201889: Dear tutor,Could you help me to solving this equation please?I do not have any idea to solve it! Click here to see answer by checkley77(12569)
 Question 201889: Dear tutor,Could you help me to solving this equation please?I do not have any idea to solve it! Click here to see answer by jim_thompson5910(28595)

 Question 201939: Hi Please help me answer this hard word problem. An Airplane whose speed in still air is 530mi/h carries enough fuel for 10 hours of flight. On a certain flight it flies against a wind of 30 mi/h. On the return flight it travels with a wind of 30 mi/h. How far can the plane fly without refueling? Thank you Very much, Leo Click here to see answer by scott8148(6628)

 Question 201970: Can anyone help me with any of these? 1) Ed bought \$2,000 in stock shares one week before the stock price dropped \$10.00. If he had waited for the price setback, he could have bought 10 more shares for the same amount. How much did each share actually cost, and how many shares did he buy? Number of shares purchased:___ Price per share:\$_____ 2) The square of Mark's age 3 years ago is 6 times the age he will be in 9 years. What is his age now? ___ years old. 3) One leg of a right triangle is 96 inches. Find the hypotenuse and the other leg if the length of the hypotenuse exceeds 2 times the other leg by 4 inches. Hypotenuse = ___ inches leg = ___ inches Click here to see answer by rfer(12662)

 Question 201981: Find the sum of the x solutions for x^2-x=12. thank-you. Click here to see answer by jim_thompson5910(28595)

 Question 202022: Could somebody guide me about this which is about the relation between the roots and the coefficients? For what values of m will the equation have a) one root the reciprocal of the other, b) one root equal zero c) equal roots Click here to see answer by Edwin McCravy(8909)

 Question 202089: Can anyone help me with ANY of these? I don't understand how the roots come into play. The title of this section is Sum and Product of Roots. Question#1 x2 + 6x -55 = 0 and root1 = 5, root2 = -11 a = __ b = __ c = __ Question #2 x2 + 6x -55 = 0 and root1 = 5, root2 = -11 (-b/a)= -__ / __ Question #3 x2 + 6x -55 = 0 and root1 = 5, root2 = -11 root1 + root2 = 5 + -11 = ___ Question #4 x2 + 6x -55 = 0 and root1 = 5, root2 = -11 The sum of the roots is the same as (Hint: use letters) = -__ /__ Question #5 x2 + 6x -55 = 0 and root1 = 5, root2 = -11 (c/a) = __ /__ Question #6 x2 + 6x -55 = 0 and root1 = 5, root2 = -11 root1 x root2 = 5 x (-11) = ___ Question #7 x2 + 6x -55 = 0 and root1 = 5, root2 = -11 The product of the roots is the same as (Hint: use letters) = - ___ /___ Question #8 8x2 - 2x = 1 and root1= 1/2 root2= -1/4 Identify a, b, and c. (Hint: you may have to arrange the equation in the form ax2+ bx + c = 0 .) a =___ b = ___ c = ___ Question #9 8x2 - 2x = 1 and root1= 1/2 root2= -1/4 (-b/a)= -___ /___ Question #10 8x2 - 2x = 1 and root1= 1/2 root2= -1/4 root1 + root2 =(1/2)+(-1/4)= ___ Question #11 8x2 - 2x = 1 and root1= 1/2 root2= -1/4 The sum of the roots is the same as (Hint: use letters) = ____ Question #12 8x2 - 2x = 1 and root1= 1/2 root2= -1/4 (c/a)= ____ /___ Question #13 8x2 - 2x = 1 and root1= 1/2 root2= -1/4 root1 x root2 = (1/2)(-1/4) = ___ Question #14 8x2 - 2x = 1 and root1= 1/2 root2= -1/4 The product of the roots is the same as (Hint: use letters) = ___ /___ Click here to see answer by stanbon(57361)

 Question 202134: Hello, I need some help on quadratic equations. Any and all help will be appreciated. 1. Solve using the quadratic formula: x^2 - 3x = 4x -1 2. Solve using the quadratic formula: x^2 -5x - 1 = -7 3. Solve by completing the square: x^2 + 8x + 2 = 0 Thank you in advance for your help. Click here to see answer by Theo(3464)

 Question 202167: Business club members at USIU decide to chatter a bus at a cost of \$900 for a trip to the Kenya National Archives.At the last minute, five people decide not to go.This raises the transport cost per person by \$2.How many people originally intended to take the trip? Let the original number of group be x Number of final group be x-5 Charge per person originally \$900/x Charge per person finally \$900/x-5 charge per person orignally - \$2 = Charge per person finally 900/x - 2x(x-5) = 900/x-5 900(x-5)- 2xx + 10x =900x 900x - 4500 - 2xx + 10x = 900x 2xx + 10x - 4500 = 0 Click here to see answer by vleith(2825)

 Question 202138: Find the vertex of f(x)-x^2-10x+21. Is the vertex the maximum or minimum of f? How do you know? Click here to see answer by vleith(2825)