4x2 + 28x = 0

4x2 + 28x = 0

A Sheet of cardboard 42cm long and 24cm wide has squares cut out of the corners so it can be folded to form an open box. Find the dimensions of the box if the volume of the box is 468cm^3. Using Quadratics...

I have no idea how to get to the answer, please help! Thank you.

Grade 10 solving problems using quadratic equations.

Its a quadratic question. Please help.

Here is a link to the picture of the problem. http://imgur.com/0ZiyAzP

An athletic field with perimeter of 40km consists of a rectangle with a semicircle at each end. Find Dimensions that yield greatest possible Area by completing the square for the rectangular region...

the base of a triangular sign exceeds the height by 8 inches. If the area of the sign is 24 square inches, find the length of the base and the height of the triangle.?

A manager has determined that the revenue R(x) (in millions of dollars) made on the sale of supercomputers is given by R(x)= 48x - 3x^2, where x represents the number of supercomputers sold. How many...

i have a table of x and y values and im being asked to make an equation and a graph of these

Look at the two quadratic equations below. y=3x^2-x+7 y=x^2+4x+14 how many times will the graphs of these functions intersect? determine the points of the intersection...

maximum and minimum value , find that value

y= maximum vertical distance h= maximum horizontal distance y=-(x-h)2+47 Find the maximum vertical distance and maximum horizontal distance I...

Identity the vertex, y-intercept, zeros, axis of symmetry, and intervals of increase & decrease.

Roger mows half of a rectangular lawn that measures 40 m by 30 m by mowing strips of equal width around the perimeter. Cookie mows the small inner rectangle. how wide a strip should roger have so...

write the standard form of the quadratic function that has been reflected on the x-axis and stretched vertically bye a factor of 2 and has a vertex at (5,8)

write the standard for, of a quadratic function that has roots at (3,0) and (-5,0) and has been stretched vertically by a factor of 4

the height h meters of an infield fly ball t seconds after being hit is modeled by the quadratic relation ...

what is the length of a side of a square with area of 12 ft^2. Model the problem with a quadratics equation with x as the length of a side of the square.

Y = x2 - 9

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