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 Question 120137: USE THE QUADRATIC FORMULA TO SOLVE: x^2 - x/1 =1 2 *Note. Problem reads, x Squared over 2, minus x over 1 = 1 Use Quadratic Formula To solve Click here to see answer by stanbon(57960)

 Question 120143: What type of function does the following table of values represent? x: -21,-18,-15,-12,-9 y:3,6,12,24,48 Click here to see answer by stanbon(57960)

 Question 120251: What value of b will make the expression x^2-bx+40 a perfect square? Click here to see answer by stanbon(57960)

 Question 120256: Using the following sequence (-1,-5,-9,-13,...) find the function tn. Click here to see answer by stanbon(57960)
 Question 120256: Using the following sequence (-1,-5,-9,-13,...) find the function tn. Click here to see answer by bucky(2189)

 Question 120255: Bill used completing the square to find the zeroes of the function . How is this done ? Click here to see answer by MathLover1(6810)
 Question 120255: Bill used completing the square to find the zeroes of the function . How is this done ? Click here to see answer by Edwin McCravy(8999)

 Question 120253: What is the standard form of the function -1/2(y+1)=(x-2)^2 ? Click here to see answer by MathLover1(6810)

 Question 120485: Could you please help me solve for the following problem Find the corresponding y values for x = -4, -3, -2, -1, 0, 1, 2 if y=x squared plus 2x minus 3. Could you please show your work. Thank You Click here to see answer by MathLover1(6810)

 Question 120482: An astronaut standing on the surface of the moon throws a rock upward. The height of the rock is given by s=-2.7t^2+27t+6.3, where s is the height in metres and t is the time in seconds.What was the initial height of the rock? Click here to see answer by stanbon(57960)

 Question 120476: What are the roots of the equation x^2+9=0 I got x=+-3i,can someone explain? Click here to see answer by tutor_paul(490)

 Question 120478: What is the equation of the quadratic function under the following transformations of the basic quadratic function y=x^2 : a vertical stretch of 2/5 , a vertical translation of -3 units and a horizontal translation of 2 units ? I said 5/2(y+3)=(x-2)^2 but I'm not sure. Click here to see answer by stanbon(57960)

 Question 120473: If a sequence contains the terms tn=-2n^2-5n+10,what is the value of t25? I got 2385 can someone please explain? Click here to see answer by stanbon(57960)

 Question 120474: What are the EXACT values of the roots of the quadratic equation 1/2(x^2-6x)=2 ? Click here to see answer by stanbon(57960)

 Question 120777: Debbie has 80 metres of fencing to make a rectangular dog pound of dimensions length ,L,and width, W. What is the equation of the area of the dog pound as a function of length? Click here to see answer by rapaljer(4667)

 Question 120779: What is the equation of the axis of symmetry for the parabola y=2x^2-6x+5? Click here to see answer by bucky(2189)

 Question 120709: what is the answer step by step to the following quadratic equations ? x squared-4x-15=0 x squared+8x-33=0 x squared+5x+2=0 3xsquared-3x+6=0 Help would be great i need it bad Click here to see answer by ankor@dixie-net.com(15746)

 Question 120780: Using the following sequence,determine what type of function describes the sequence. Once you determine the type of function,find the function algebraically.(4,9,17,28,42,59,...) Click here to see answer by Fombitz(13828)

 Question 120783: a)Mary invested \$600 at the Royal Bank at an interest rate of 3.6% per year.How much money will she have after 12 years? b)The half-life of radium is 1400 years. If there was 800 grams of radium, how much will remain after 5000 years? Click here to see answer by stanbon(57960)

 Question 120774: A football is kicked into the air and follows the path defined by h=-2x^2+16x, where x is the time in seconds and h is the height in metres.What is the maximum height reached by the football? Click here to see answer by bucky(2189)

 Question 120708: what is the answer step by step to the following quadratic equations ? x squared-4x-15=0 x squared+8x-33=0 x squared+5x+2=0 3xsquared-3x+6=0 Help would be great i need it bad Click here to see answer by jim_thompson5910(28705)

 Question 120821: Find the constant term that should be added to make the following expression a perfect-square trinomial. x^2 + 18x I come up wtih x^2+2time9x+81 but I am not sure that this is correct. Click here to see answer by jim_thompson5910(28705)

 Question 120772: A quadratic function has x-intercepts at (-8,0) and (2,0).What is the transformational form of the function if the minimum y values is -3? Click here to see answer by josmiceli(9817)

 Question 120707: what is the answer step by step to the following quadratic equations ? x squared-4x-15=0 x squared+8x-33=0 x squared+5x+2=0 3xsquared-3x+6=0 Help would be great i need it bad Click here to see answer by checkley71(8403)

 Question 120875: Find the length x if the shaded area is 480 cm^2. The shape is a trapezoid. What I've got so far is this: 480 = x^2 + 2x x^2 + 2x + 48 = 0 Am I on the right track? If so, what do I do next? Thank you for your help!! Click here to see answer by solver91311(17077)

 Question 120877: a park planner has sketched a rectanular park in the first quadrent of a coordinate grid. wo sides of the park lie on the x- and y-axes. a trapezoidal flower bed will be bounded by the line y=x+7, the x-axis, and the vertical lines x=1 and x=a, where a is greater than 1. The areaA of the trapezoid is modeled by A=1/2a squared+7a-15/2. assume the lengthsamong the axes are measured in meters. For what value of a will the trapezoid have an area of 25 meters? use the quadratic formula to find the answer Click here to see answer by solver91311(17077)