Algebra ->  Algebra  -> Quadratic Equations and Parabolas  -> Quadratic Equations Lessons  -> Quadratic Equation Lesson -> Questions on Algebra: Quadratic Equation answered by real tutors!      Log On

 Ad: You enter your algebra equation or inequality - Algebrator solves it step-by-step while providing clear explanations. Free on-line demo . Ad: Algebrator™ solves your algebra problems and provides step-by-step explanations! Ad: Algebra Solved!™: algebra software solves algebra homework problems with step-by-step help!

 Question 427490: find the domain in interval notation of f(x)= square root x^2-16 over x^2+5x+4? Click here to see answer by Gogonati(809)

 Question 427487: find the following g[f(x)] if f(x)=3x-7 and g(x)=x^3-2x^2-x+1 Click here to see answer by Gogonati(809)

 Question 427550: Solve each equation (a) p^2-8p=0 (b) (x-3)(x+5)=-7 (c) (3x+2)(x-3)=7x-1 Click here to see answer by stanbon(57290)

 Question 427565: 25x^3 = 64x 25x^3 - 64x = 0 Not sure what to do after I set right side to 0 Click here to see answer by John10(245)
 Question 427565: 25x^3 = 64x 25x^3 - 64x = 0 Not sure what to do after I set right side to 0 Click here to see answer by richard1234(5390)

 Question 427602: If x is real, the value of 3x^2 + 9x + 17 divided by 3x^2 + 9x + 7 is ? Click here to see answer by Alan3354(30993)

 Question 427714: What is the inverse of the function f(x)=6-x/2 Click here to see answer by Gogonati(809)

 Question 427774: determine the nature of solutions for x^2-2x+7=0 1real 2real 2nonreal Click here to see answer by ewatrrr(10682)

 Question 427835: x^2-3x=28 i need to find the AOS, Vertex, Y-intercept, and X-intercept. i also have to graph it and use the the X-box and Quadratic formula. please help me and thank you very much!!!! Click here to see answer by rfer(12655)

 Question 427847: Find two integers whose sum is 12 and whose squares differ by 24. Here's what I tried. x + y = 12 , x^2 - y^2 = 24 x = -y + 12 (-y + 12)^2 - y^2 = 24 y^2 - 24y + 24 - y^2 = 24 -24y + 24 = 24 -24y = 0 y = 0 x + 0 = 12 x = 12 But then it won't match the other problem? Click here to see answer by richard1234(5390)

 Question 427855: Find the area and perimeter of an 4 1/2-by-21-inch piece of paper. Area ? square inches Perimeter ? inches Please write down the steps to get the answer. Thanks Click here to see answer by richard1234(5390)
 Question 427855: Find the area and perimeter of an 4 1/2-by-21-inch piece of paper. Area ? square inches Perimeter ? inches Please write down the steps to get the answer. Thanks Click here to see answer by josmiceli(9668)

 Question 427854: A woman has a balance of \$35 in her checking account. If she writes a check for \$50, what negative number can be used to represent the new balance in her checking account? -\$ ? Pls write down the steps to get the answer. Thanks Click here to see answer by rfer(12655)

 Question 427833: What is the domain in interval notation of square root 2x+7? Click here to see answer by nerdybill(6957)

 Question 427861: What number results if 11 is subtracted from the product of -6 and 5? Please show me the steps to get the answer. Thanks Click here to see answer by Ro0oR(2)

 Question 427879: What happens when the quadratic equation is no solution? For example, x2+6x+10=0 A=1 B=6 C=10 D= b2-4ac D=62-4(10)=-4 -4<0 no real solutions What now? Thank you :) Click here to see answer by MathLover1(6625)
 Question 427879: What happens when the quadratic equation is no solution? For example, x2+6x+10=0 A=1 B=6 C=10 D= b2-4ac D=62-4(10)=-4 -4<0 no real solutions What now? Thank you :) Click here to see answer by richard1234(5390)

 Question 428168: Find the maximum value of the function: y=-x^2+8x-4 Click here to see answer by solver91311(16877)
 Question 428168: Find the maximum value of the function: y=-x^2+8x-4 Click here to see answer by nerdybill(6957)

 Question 428188: What is the y value of y = x^2 - 4x when the value of x is -1 negative 1 or the value of is ix 1 positive 1 are they the same? why or why not? can you show how you solved it? Thanks so much. Click here to see answer by rfer(12655)

 Question 428245: What the graph of the function f(x)=2x+7 on the interval [-4,10] looks like? Click here to see answer by vleith(2825)

 Question 428818: How do you find line of symmetry,y intercept, x-intercepts, maximim/minimum point from an quadratic equation to plot the parabola without using a graphing calculator and only using the equation? Click here to see answer by ankor@dixie-net.com(15646)

 Question 428970: My problem is; Solve by factoring and using the principle o zero products 49k^2=36 Thank you very much Click here to see answer by algebrahouse.com(1079)

 Question 341980: I know that the fomula x= -b/2a is used to solve for the minimum/maximum value of a quadratic formula but what happens when the quadratic formula is a= -6 b=0(?) c= -1. I know that the maximum value= -1 but I dont understand how to solve for it. Please Help Me. Thanks in advance for your help and glorious time. - Kay Click here to see answer by robertb(4012)

 Question 429003: The area of a rectangle is 80 meters. the length is one more than three times the width. Find the dimensions of the rectangle. Click here to see answer by algebrahouse.com(1079)

 Question 429349: Create a polynomial that produces the solutions +-4i. Click here to see answer by stanbon(57290)

 Question 429682: what line of symmetry is this function y=|x+2| Click here to see answer by stanbon(57290)

 Question 429718: How do you solve the equation t^5 -256t = 0 Click here to see answer by Gogonati(809)