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

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

 Question 443846: Describe how the graph of y=(x-6)^2+5 changes from the parent graph of y=x^2. A. shifts the parent graph left 6 and up 5 B. shifts the parent graph right 6 and up 5 C. shifts the parent graph left 6 and down 5 Thanks! Click here to see answer by Alan3354(30993)

 Question 443847: what is this algebraically equations using square roots 2x^2-338=0 Click here to see answer by edjones(7569)

 Question 443841: x^2-225=0 Click here to see answer by nerdybill(6962)

 Question 443852: what is this algebraically equations using square root x^2-16=-25 Click here to see answer by richard1234(5390)

 Question 443915: What is the equation in point-slope form of the line passing through (0, 5) and (–2, 11)? Click here to see answer by ewatrrr(10682)

 Question 443834: Find the axis of symmetry for y=x^2-2. Find the vertex for y=x^2-2. Thank you! Click here to see answer by ewatrrr(10682)

 Question 443940: 13x^2+14x+13=0 Click here to see answer by chriswen(106)
 Question 443940: 13x^2+14x+13=0 Click here to see answer by solver91311(16897)

 Question 443972: I am working on quadratic equations, and the following question is confusing me: The height, in feet, of a ball tossed in the air is given by h=-16t2(squared)-10t, where t is the time in seconds. What is the initial height of the ball? The answer options are: 16ft -6ft 0ft 10ft Please help! Click here to see answer by rwm(914)

 Question 444063: x squared+5x+4=0 Click here to see answer by jorel1380(2518)

 Question 443848: what is this algebraically equations using square root x^2-225=0 Click here to see answer by ankor@dixie-net.com(15656)

 Question 444134: John owns a hot dog stand. he has found that his profit is represented by the equation P(x)=-x2+60x+71, with P being the profits and x the number of hot dogs sold. How many hotdogs must he sell to earn the most profit? Click here to see answer by edjones(7569)

 Question 444131: i need help on the steps to sloving a quadratic function..... f(x)= 2x squared Click here to see answer by edjones(7569)

 Question 444153: If the area of a rectangle is 91m^2, and the dimensions are (x+2)m and (2x+3)m what is the value of x. I need to use the quadratic equation to find the value of x. Click here to see answer by mananth(12270)

 Question 444321: The length of a rectangle is 23 centimeters less than six times its width. Its area is 35 square centimeters. Find the dimensions of the rectangle. The width is ? cm. Click here to see answer by jorel1380(2518)

 Question 444327: The sum of a number and its square is 42. Find the number(s). The number(s) is/are ?. (use a comma to separate answers as needed) Click here to see answer by jorel1380(2518)

 Question 444397: quadratic equations, which are expressed in the form of ax^2 + bx + c=0, where a does not equal 0, may have how many solutions? explain why. Click here to see answer by poliphob3.14(115)

 Question 444490: I need so much help with solving quadratic equation by factoring! 1) 4x2 + 27x - 7=0 Click here to see answer by rwm(914)

 Question 444023: can i ask you to help me with a problem ? Click here to see answer by rwm(914)

 Question 444500: A rectangular movie screen has an area of 9,315 square feet. Find the dimensions of the screen if it is 18 feet longer than it is wide. Click here to see answer by chriswen(106)

 Question 444559: Please help me solve this equation to find out the axis of symmetry and the vertex: x^2-10x+17 Thankyou(: Click here to see answer by rwm(914)
 Question 444559: Please help me solve this equation to find out the axis of symmetry and the vertex: x^2-10x+17 Thankyou(: Click here to see answer by stanbon(57361)

 Question 444288: 3x^2-6x=1 Click here to see answer by rwm(914)

 Question 444589: 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? Click here to see answer by stanbon(57361)
 Question 444589: 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? Click here to see answer by solver91311(16897)

 Question 444648: What are the solutions to the quadratic function: 3x^2-11x-4=0. Click here to see answer by chriswen(106)

 Question 444661: the question is write and solve an equation to find the length and with of the rectangle whose width os 3 less than the length. the area is 4cm Click here to see answer by oberobic(2304)
 Question 444661: the question is write and solve an equation to find the length and with of the rectangle whose width os 3 less than the length. the area is 4cm Click here to see answer by solver91311(16897)

 Question 444689: My son and i have been working on a quadratic formula questions for a few hours now, literally, and we cannot figure it out. The problem reads: The length of a rectangular yard shown in the figure is 50 less than 4 times the width. One side of the yard is bordered by the Potomac River. If the area of the yard is 16100 square feet, how many feet of the yard is alongside the river? Potomac River _________________________ | | | | | |x ft |________________________| 4x-50 We think the quadratic equation would be 4x^2-50x-16100=0 Are we thinking about this wrong because it is driving us crazy... Click here to see answer by rfer(12662)

 Question 444733: Determine the coordinates of the x-intercepts for the quadratic equation –x2 + 5x – 4 = 0 Click here to see answer by oberobic(2304)
 Question 444733: Determine the coordinates of the x-intercepts for the quadratic equation –x2 + 5x – 4 = 0 Click here to see answer by stanbon(57361)

 Question 444975: During a chemistry experiement, the cork in a 0.5 foot tall beaker with an effervescent solution pops off with an initial velocity of 20 feet per second. How many seconds does it take for the cork to hit the table? Click here to see answer by solver91311(16897)

 Question 445170: Hello there, I'm having issues with word problems. The sum of two numbers is 17 and their product is 42. Find the two numbers. Click here to see answer by scott8148(6628)

 Question 445089: Fireworks are shot upward with an intial velocity of 125 feet per second from a paltform 3 feet abouve the ground. use the model h= -16t squared + vt + s to find how long it will take the rocket to hit the ground? Click here to see answer by ankor@dixie-net.com(15656)

 Question 445401: A rectangular garden with dimensions 18yd by 24yd is to have a sidewalk of uniform width placed completely around the inside of its border in such a way that the area of the remaining garden is 216 yd. how wide is the sidewalk? Click here to see answer by mananth(12270)
 Question 445401: A rectangular garden with dimensions 18yd by 24yd is to have a sidewalk of uniform width placed completely around the inside of its border in such a way that the area of the remaining garden is 216 yd. how wide is the sidewalk? Click here to see answer by chriswen(106)

 Question 445411: Find the integral ∫▒(x √(1-x^2)) dx Click here to see answer by Edwin McCravy(8909)

 Question 445514: What is the answer to x^2-7x-8=0 Click here to see answer by rwm(914)
 Question 445514: What is the answer to x^2-7x-8=0 Click here to see answer by stanbon(57361)
 Question 445514: What is the answer to x^2-7x-8=0 Click here to see answer by josmiceli(9686)

 Question 445618: The area of a circle with radius r is given by the formula A=πr^2. If a circle has area 169π square inches, what is the radius? Click here to see answer by richard1234(5390)

 Question 445623: Use the quadratic formula to solve. 0.6x^2=1.2x+0.6 (Simplify your answer. Type an exact answer, using radicals as needed. Use integers or fractions for any numbers in the expression. Use a comma to separate answers as needed.) Click here to see answer by chriswen(106)

 Question 445700: (x - 2)(x + 6) Click here to see answer by rfer(12662)

 Question 445732: Pleas help me solve this equation: (((2x^2+5x+3=0))) Click here to see answer by nerdybill(6962)

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