A company’s revenue can be modeled with a quadratic equation. The company noticed that when they sell either 2 or or 12 items, the revenue is 0. How much is the revenue when they sell 20 items?

Q: solve each quadratic equation using the method that seems most appropriate. x2 + 6x = -11

A: Given x2+6x=-11

Q: What is the axis of symmetry of the following quadratic equation? y = 2x +12x+10

A: Given,            y=2x2+12x+10To find : The axis of symmetry of the quadratic function.We know that,…

Q: The quantity b2 - 4ac is called the____ of a quadratic equation. If it is___, the equation has no…

A: We know ,for a quadratic equation of the form ax2+bx+c=0,(a≠0) Discriminant D is given by: D=b2-4ac…

Q: What is the standard form of a quadratic equation?* Your answer

A: Standard form of quadratic equation

Q: solve the  equation without using the quadratic formula or graphing by hand or TI-84   3x^2+3=30

A: Solution: The objective is to solve the given equation

Q: A 3 inch by 5 inch picture is surrounded by a frame of uniform width. The total area of the picture…

A: A 3 inch by 5 inch picture is surrounded by a frame of uniform width. The total area of the picture…

Q: 2x2 + 10x – 12 = 0

A:

Q: The number of mosquitoes M(x), in millions, in a certain area depends on the June rainfall x, in…

A: For max no. of mosquitos, function m(x) should be maximum i.e M(x)= 10x – x2 -i) Differentiate m(x)…

Q: the length of a wooden frame is 1 foot longer than its width and its area is equal to 12 ft^2 give…

A:

Q: 2x2 – x = 3

A: Solve equation

Q: Why must we change the equation 3x2 - 2x = 4 to 3x2 - 2x - 4 = 0 before applying the quadratic…

A: Consider the equation, 3x2-2x=4

Q: Determine the pots of the quadratic equation -sx² + 55x - 50-

A:

Q: -2 -1- 2-

A: From the quadratic equation..

Q: how do you find the vertex in a quadratic equation

A: A quadratic equation is written as ax2+bx + c

Q: If the discriminant of a quadratic equation is 4, then the equation has

A:

Q: Ryan is constructing a play house. He wants each window to have an area of 315 cm2. Which of the…

A: Let x, y denote the length and width of the window respectively. So, area of window is xy But it is…

Q: If the quadratic functions for the equations are graphed, which is the widest? A) y= x2 B) y= 2x2 C)…

A: The graph shown in steps 2 , shows the graphs of above functions. Here, Red colour represents the…

Q: If the zeros of a quadratic equation are -3 and 5, what would be the x-intercepts

A:

Q: find the equation of the quadratic function/equation. and

A:

Q: A dumpster in the shape of a rectangular prism has a volume of 240 cubic feet. The length of the…

A: The dimensions and volume of the dumpster, which is in the shape of a rectangular prism is given as…

Q: explain by when solving and graphing a quadratic equation in the form ax^2 + bx + c = 0, there may…

A: Note that roots are also known as the zeros or x intercepts. A quadratic equations graph represents…

Q: The quantity b2 - 4ac is called the  _____________ of a quadratic equation. If it is _____________ ,…

A: To fill the blanks :   The quantity b2 - 4ac is called the _______ of  a quadratic equation. If…

Q: What is quadratic equations?

A: We have to define the quadratic equations. Quadratic equations are the equations in one variable…

Q: A pumpkin is shot from a catapult straight up into the air with an initial velocity of 84 feet per…

A:

Q: What is the solution to this quadratic, -3x2 + 8x - 6 = 0

A: A detailed solution is given below

Q: If brad throws a spherical object vertically upward having initial velocity at 200 feet per second…

A:

Q: The number of mosquitoes M(x), in millions, in a certain area depends on the June rainfall x, in…

A:

Q: The discriminant of the quadratic equation 3x2 + 6x - 1 = 0 is [ Select ] and tells us that there…

A: we have to find the discriminant

Q: Nancy found that x=1 is one solution to the quadratic equation (x+2)2=a. What is the value of a?

A:

Q: A company that manufactures wallets has determined that the dollar cost of producing wallets per…

A: Let us write the function of selling price ,cost price and profit of the company  Let x be the no of…

Q: The length of a plywood is 0.9m more than it's width and it's area is 0.36m^2.what is the quadratic…

A: We are solving the first question and for the remaining questions post the questions again and also…

Q: The solutions of the quadratic equation x(x + 2) + 9 = 0 are

A: Given: x(x+2)+9=0 we can write: x2+2x+9=0 Formula: For the quadratic equation ax2+bx+c=0  x=-b…

Q: A company that manufactures handbags has determined that the dollar cost of producing handbags per…

A:

Q: If the zeros of a quadratic function are -3 and 5, what is the equation of the axis of symmetry?

A:

Q: If the discriminant of a quadratic equation is 0, then the equation has

A:

Q: The length of a rectangular garden is 6 meters more than the width of the garden. If there are of…

A: Let x meters be the width of the garden.Therefore the length of the graden is (x + 6) meters,…

Q: A landscaper is creating a patio in the shape of a right triangle. If one side of the patio will be…

A:

Q: Briefly discuss the effects of changing the values of a, h and k in the graph of quadratic…

A:

Q: Consider the quadratic equation y = x² - 4x. If we graph the equation, where are the x-intercepts…

A:

Q: Find the quadratic equation that goes through the following points: (-1,-12), (2, 15), and (-3, 0).

A:

Q: The area of a rectangular plot is 528 m2 . The length of the plot is one more than twice its breadth…

A:

Q: Graph the quadratic equation y = 10x² – 2x – 1 by creating a table of (x,y) values.

A: To plot the quadratic equation y=10x2-2x-1.

Q: Can someone help with this quadratic equation step by step? x^2=4x-29

A: Given, The quadratic equation  x2 = 4x-29   We have to solve it.

Q: If the discriminant of a quadratic equation is 2, then the equation has

A: The discriminant of a quadratic equation is given by b2-4ac We know that when the b2-4ac>0 then…

Q: A rectangular swimming pool is x meters wide. The length of the swimming pool is twice as long as…

A: Form the equation in one variable and solve it using given data.

Q: If the zeros of a quadratic equation are -3 and 5, what be the x-intercepts

A: Given: If the zeros of a quadratic equation are -3 and 5

Q: A person has a rectangular garden that has a length of 13 feet longer than the width. Set up a…

A:

Q: Given the quadratic equation, 5x-4 2x, identify a, b, c

A: General form of a quadratic equation is   ax2+bx+c=0   ---(1)   Given equation is  5x2-4=2x  This…