Algebra HW
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Algebra Functions
I cannot for the life of me remember how to do this Find the vertex of the graphs of the functions: Function #1: y=(x4)(x+2) AND Function #2: y=2x^24x+1 Can someone help me get it PLz! OK  to find the vertex of these functions
asked by natalie on January 4, 2007 
Albebra
Find the vertex of the function y = –x2 + 2x + 8. It is where the derivative 2x + 2 = 0. Since you probably haven't learned about derivatives, do it this way: Rewrite is as x^2 +2x +8 = (x1)^2 + 7 Now look at the form of the
asked by Joel on March 20, 2007 
algebra(reiny)
Hey thanks for all your help but you kinda confused me on a few: 1)Determine whether f(x)=5x^210x+6 has a maximum or minimum value and find that value A.minimum 1 B.maximum 11 C.maximum 1 D.minimum 11 and you said the function
asked by Marissa on August 16, 2007 
Algebra2
Complete parts a – c for each quadratic function: a. Find the yintercept, the equation of the axis of symmetry and the x coordinate of the vertex. b. Make a table of values that includes the vertex. c. Use this information to
asked by Mara on February 8, 2008 
math algebra trig
For the graph of each function, find an equation of the line of symmetry and the coordinates of the vertex. Tell whether the value of the function at the vertex if a maximum or a minimum: a) y = x^2 + 4x  7; b) y = 2x^2 + 4x; c)
asked by CHEYANNE MARIE on May 5, 2012 
algebra
determine the vertex for the function y=2x^2+5x3 for y = ax^2 + bx + c, the x value of the vertex is b/(2a) sub that x into your equation to find the y. Another way is to complete the square. so for yours, x = 5/4 etc. a third
asked by Shay on January 18, 2007 
College Algebra
A quadratic function has its vertex at the point (9,8). The function passes through the point (9,4). When written in vertex form, the function is f(x)= a(xh)^2 +k, where a) h)9 k)8 4=a(9)^2+8 4=a(9+9)^2+8 4=a(18)^2+8 4=a(332)
asked by Anonymous on June 12, 2014 
algebra
solve the polynomial y=2x^24x+1 For Further Reading algebra  Reiny, Thursday, May 17, 2007 at 10:34pm I am sure neither your text nor your teacher asked you to "solve the polynomial y=2x^24x+1 " are you graphing the function,
asked by Haylee on May 18, 2007 
algebra
1)Find the exact solutions to 3x^2=5x1 using the quadratic formula. answer=5 plus or minus the square root of 37 over 6 2)Use the discriminant to determine the number and type of roots for the equation 2x^27x+9=0 answer=2
asked by Marissa on August 14, 2007 
Algebra2
Complete parts a – c for each quadratic function. a. Find the yintercept, the equation of the axis of symmetry and the xcoordinate of the vertex. b. Make a table of values that includes the vertex. c. Use this information to
asked by Mara on February 8, 2008