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 Question 576541: How do you solve for x , y , z x+5y+5z=-10 x+y+z=2 x+2y+3z=-3 Click here to see answer by solver91311(16897)

 Question 576148: Give an example, show the work, and determine if the example has one, two, or no real solution. Click here to see answer by richard1234(5390)

 Question 5549: the width of a rectangle is 3 inches less than its length. The area of the rectangle is 340 square inches. What are the length and widthof the rectangle? Click here to see answer by ankor@dixie-net.com(15652)

 Question 577599: What is the vertex of x-3=2(y+1)^? What is the vertex of y+1=1/2(x-3)^? What is the vertex of x=1/2y^-y+3? Click here to see answer by solver91311(16897)

 Question 577908: I am trying to solve the quadratic equation using the method from India. I need assistance with each step. The problem is 2x^2-3x-5=0 There are 6 steps and I have gotten to step 3 Step 1 2x^-3x=5 Step 2 8x^2-12x=20 Step 3 -3 is the original x term, therefore: 8x^2-12x+9=29 Step 4, now I am to take the square root of each side. This is where I am confused, need help here through step 6. Click here to see answer by stanbon(57357)

 Question 578107: Hello, i have been given this maths question, please could you help me solve it. I have tried putting it into a quadratic equation then i realised that it cannot be factorised. The question is: prove that the line y+x=-2 is a tangent to the curve y^2 = 8x Thank you Click here to see answer by Edwin McCravy(8909)

 Question 578394: Can someone please help me solve this algebra problem. I set up the problem the best way, I knew how. 1/4 =3- 2x-1/x+2 This problem is suppose to be set up as a fraction 1/4 and 2x-1/x+2 Click here to see answer by stanbon(57357)

 Question 578802: In the series 0, 3, 8, 15,__, What is the next number?the next number would be 24 as the difference is 2 Click here to see answer by asthatakkar(1)

 Question 580183: I need help with this equations: 1) write y=4x^2-32x+66 in vertex form 2)use the quadratic formula to solve the equation 4x^2-x+3=0 Click here to see answer by dfrazzetto(277)

 Question 580432: If the graph of the quadratic function h is shifted vertically 4 units downward, then reflected in the x-axis, and then shifted horizontally 3 units to the left, the resulting graph is the parabola f(x) = x^2. What is the rule of the function h? h(x)= _____________ What is the vertex of its graph? Click here to see answer by josmiceli(9681)

 Question 580484: I need to graph the quadratic function f(x)= -1/2(x+4)^2+6 I've determined the parabola opens down due to the negative coefficient; however, I'm having a problem solving it due to the fraction -1/2. Wouldn't (x+4)^2 be x^2+16? Click here to see answer by jim_thompson5910(28595)

 Question 580560: how do i determine whether a given value is a solution to an equation for example X^2 - 2x + 15 = 0;3 Click here to see answer by lwsshak3(6508)

 Question 580660: Page 367 Evaluate each of the following quadratic functions for the given value of x. Show all your work. f(x) =x^2 + 5x + 7; f(4) g(x) =25 -x^2; g(-5) h(x) = -x^2 +4x-1; h(-2) f(x) =5x^2 -18;f(0) g(x) =8x^2 -3x +10; g(2) h(x) -3x^2 +15; h(10) Click here to see answer by Alan3354(30993)

 Question 580658: 6. Just the Math: Quadratic Function The equation that you wrote for the area, y=x^2, represents the simplest form of a quadratic function. A quadratic function is a function of the form f(x) = ax^2 +bx+c, where a, b, and c are constants with a=(a line thru the = mark)0. The graph of a quadratic function is a U-shaped graph. What can you conclude about the rate of change of a quadratic function? Use a complete sentence in your answer. 7. Identify the values of a, b, and c in each quadratic function below. h(x) = x2 - 3x g(x) = 10 - x^2 f(x) = 2x^2 + 3x+5 f(x) = x^2 - 2x + 8 h(x) =2^2+4x-1 g(x) =x^2 +4 Click here to see answer by richard1234(5390)

 Question 581080: I don't quite understand what the question is asking. Could you help me solve this problem? Directions: Logical Reasoning - Consider the equations and use the quadratic formula to justify the statement. If is positive, then the equation has two solutions. Click here to see answer by josmiceli(9681)

 Question 581377: What are the final values or solutions for x to this problem: x^2+2x+10=0 where a=1, b=2,=10 Click here to see answer by stanbon(57357)

 Question 581663: I am trying to solve a factoring problem with quadratic trinomials that have a leading coefficient greater than 1. My problem is: (2x^2+14x-10). I am having trouble finding numbers that multiply to -20 and add to 14. Help would be great! Thank you! Click here to see answer by jim_thompson5910(28595)