# Questions on Algebra: Quadratic Equation answered by real tutors!

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 Quadratics: solvers Practice! Answers archive Lessons Word Problems In Depth

 Question 138885: Solve. 0.5x + 6 <_ 1.3x - 3 HELP PLEASE!! WIll someone help. Click here to see answer by ankor@dixie-net.com(15646)

 Question 138911: This question is a word problem using the quadratic formula A rectangular poool has dimensions of 40 ft and 60 ft. If the pool has a patio area around it that equals the area of the pool, how wide is the distance from the pool edge to the patio edge. Click here to see answer by ankor@dixie-net.com(15646)

 Question 139028: I was absent from school the day my class went over this and need help. The question is: Find the equation of the axis of symmetry and the coordinates of the vertex of the graph of each function. Problem 1: . Click here to see answer by solver91311(16872)

 Question 139043: x(x-32)=0 Click here to see answer by oscargut(891)

 Question 139109: Solve the system of equations by graphing. Then classify the system as consistant or inconsistant and the equation as dependent or independent. x + y = 7 x - y = -5 What is the solution of the equations? Can someone please explain to me how to do this?? I am so stumped with this problem. Click here to see answer by checkley77(12569)

 Question 139115: Lee can frame a cabin in 4 days less than ron When they work together they will do the job in 4 4/5 days how l ong would each of them take to frame the cabin alone. Click here to see answer by checkley77(12569)

 Question 139114: Three girls laura, Tammy, and jeri can wash the family cars clean the pool and mow the lawn in one hour and 20 minutes if jeri did all the work she would take twice as long as Tammy and 2 hours longer than laura how long would each girl take to the the jobs alone. Click here to see answer by stanbon(57290)

 Question 139128: Calculate the value of the discriminant of x^2+2x+1=0 Click here to see answer by edjones(7569)

 Question 139101: This is another word problem question. One leg of a right triangle is 96 inches. Find the hypothesis and the other leg if the length of the hypotenuse exceeds 2 1/2 times the other leg by 4 inches. >>>i tried working it out and got 2 1/2 times leg + 4 eguals hypotenuse and 2 1/2 divided leg - 4 eguals leg. Click here to see answer by edjones(7569)

 Question 139129: How many and what type of solutions will the equation have? 4a^2 + 4a + 2 = 0, can you graph this equation? what might it look like? I have the final answer as -1/2 + 1/2i, -1/2 - 1/2i, i don't know if this is correct? Click here to see answer by stanbon(57290)

 Question 139130: Do these equations have a maximum or a minimum? What is the maximum or minimum point? g(x) = -x^2 + 4x + 5 and f(x) = 2(x+3)^2 - 4....i can't really show what i have tried because i don't know how to figure this out, sorry!! please help?! Click here to see answer by stanbon(57290)

 Question 139155: Please help me translate the following into a quadratic equation and solve it. Thanks! The length of a rectangle garden is three times it width; if the area of the garden is 75 square meters; what are its dimensions? Click here to see answer by scott8148(6628)

 Question 139153: What three techniques can be used to solve a quadratic equation? Please could you demonstrate all three techniques using the following equation. Thanks! 12x^2 - 10x - 42 = 0 Click here to see answer by checkley77(12569)

 Question 139162: Please help! Given the Vertex, Axis of Sym., and y-intercept what is the equation? Thanks! vertex (4,11) A of S = x=4 y-intercept (0,3) Click here to see answer by scott8148(6628)

 Question 139161: Please help! Given the Vertex, Axis of Sym., and y-intercept what is the equation? Thanks! vertex (4,11) A of S = x=4 y-intercept (0,3) Click here to see answer by scott8148(6628)

 Question 139141: In a right triangle, find the lenghth of the side not given. b=2 c=sqrt 29 a=? Click here to see answer by checkley77(12569)

 Question 139188: I have tried this problem and I have the answer but im not getting the answer... I get another one. the problem is 25x2-20x=-3 I changed the problem to read 25x2-20x+3=0 then used the quadratic formula of X=-b+-the square root of b-4ac over 2a I came up with X=2+-1/5 the answer is supposed to be 1/5 and 3/5 Click here to see answer by solver91311(16872)

 Question 139177: Please help me translate this into a quadratic equation and solve. A designer attempts to arrange the characters of his artwork in the form of a square grid with equal numbers of rows and columns, but finds that 24 characters are left out. When he tries to add one more row and column, he finds that he has 25 too few characters. Find the number of characters used by the designer. Click here to see answer by ankor@dixie-net.com(15646)

 Question 139174: Please help me translate into a quadratic equation and solve. Steve traveled 200 miles at a certain speed. Had he gone 10 MPH faster, the trip would have taken 1 hour less. Find the speed of his vehicle. Click here to see answer by ankor@dixie-net.com(15646)

 Question 139170: Not sure how to to solve this, transforming equations. -300=15x I got x=20 Please and Thank You=) Click here to see answer by checkley77(12569)

 Question 139166: Apply using quadratic formula to find the roots and graph. g(x)= x^2 - x - 12 Click here to see answer by checkley77(12569)

 Question 139165: Apply using the quadratic formula to find the roots of the given function, graph the function. f(x) = x^2 - 4 Click here to see answer by checkley77(12569)

 Question 139225: I cannot understand how to solve the quadratic equation: -1+3x^2=2x I need to use the quadratic formula. My teacher wants us to leave it under the radical symbol if it is not a perfect square. Click here to see answer by checkley77(12569)
 Question 139225: I cannot understand how to solve the quadratic equation: -1+3x^2=2x I need to use the quadratic formula. My teacher wants us to leave it under the radical symbol if it is not a perfect square. Click here to see answer by solver91311(16872)

 Question 139112: Loren drove 200 miles at a certain rate and his wife Lois drove 100 miles at a rate 10 mph slower. If loren had driven the entire trip they would have arrived 30 minutes sooner What was Loren's rate. Click here to see answer by ankor@dixie-net.com(15646)

 Question 139266: Graph the inequality and then graph on a plane. 5y - 6x > 30 Helpp me with this please. Click here to see answer by solver91311(16872)

 Question 139270: Solve by the elimination method. 3x+4y=3 6x+8y=6 What is the solution of the system. Help me please. Click here to see answer by solver91311(16872)

 Question 139175: Please help me translate this into a quadratic equation and solve. The Hudson River flows at a rate of 3 miles per hour. A patrol boat travels 60 miles upriver, and returns in a total time of 9 hours. What is the speed of the boat in still water? Click here to see answer by ankor@dixie-net.com(15646)

 Question 139269: Solve. 6(r-7)+1 > 7(r+3)-22 The solution set is {rlr ? ?} Will some one help me please... Click here to see answer by stanbon(57290)

 Question 139267: Determine if the given numbers are solutions of the inequality. 7, -12, -14, -2 y-8>2y-2 Help me i do not no how to do these correctly Click here to see answer by stanbon(57290)

 Question 139356: if i have a parabola with a vertex of (4,10) and x-intercepts of 0 and 8, how do i establish the quadratic equation. i came up with y=(x-4)squared + 10. Ho do you establish the "a" of ax squared + bx + c Click here to see answer by stanbon(57290)

 Question 139338: Help with translating this into a quadratic equation to solve. Thanks! A photo is 3 inches longer that it is wide. A 2 inch border is placed around the photo making the total area of the photo and border 108in^2. What are the dimensions of the photo? Click here to see answer by ankor@dixie-net.com(15646)

 Question 139337: Help me translate this into a quadratic equation and solve. Thanks! Three consecutive even integers are such that the square of the third is 76 more than the square of the second. Find the three integers. Click here to see answer by checkley77(12569)

 Question 139321: 4x-3x-1/2=3x+1/2-22x-1 Click here to see answer by checkley77(12569)

 Question 139268: y=5xsquared Click here to see answer by checkley77(12569)

 Question 139265: The perimeter of a rectangle is 74m. The length is 1 m more than twice the width. Find the demensions. What is the length? What is the width? Can someone help? I would also like to thank EVERYONE who has helped me since I started having to come here for your help you have been Great and I really apprciate learning from you all. Click here to see answer by checkley77(12569)

 Question 139336: Help me translate this into a quadratic equation and solve. Thanks! A rectangle parking lot is 50 ft longer than its width. Determine the dimensions of the parking lot if it is measures 250 ft. diagonally. Click here to see answer by scott8148(6628)

 Question 139448: use the quadratic formula to solve the equation -2X^2+6X+8=0 Click here to see answer by checkley77(12569)

 Question 139465: The base of a triangle is 2 m less than the height. The area of the triangle is 36m^2 . Determine the height of the triangle. h=____ Please help I have no clue how to do this , Click here to see answer by scott8148(6628)

 Question 139466: Find the value of b for which the equation has exactly one real root. (Hint- think discriminate0 x^2+bx+36=0 Click here to see answer by scott8148(6628)

 Question 139443: Solve then graph. x + 8 > 2 The solution set is ? Help me figure this one out please. I would like to thank everyone who has helped me. I still have a couple weeks of needing your help. I must say I have learned a lot, but am still confused of a lot also...Thanks again everyone. Click here to see answer by jim_thompson5910(28536)

 Question 139497: Complete the square and find the roots of the quadratic equation how do i solve this ???? x^2 + 16x = 0 Click here to see answer by MathTutorer(13)

 Question 139496: complete the square, and find the roots of the quadratic equation Tutor plz help ? x2 + 16x = 0 Click here to see answer by stanbon(57290)

 Question 139454: I'm not sure if this is in the right section, but anyway, here is the question: Alexandra constructed a rectangular pen for her dog using a side of the barn for one side and 26 meters of fencing for the remaining three sides. If the area enclosed was 72 square meters, find the dimensions of the pen. Please, help, and many, many thanks in advance. Click here to see answer by ankor@dixie-net.com(15646)

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