08/30/18

#### Perform the given transformations using the given function

y=2x^2+4 Vertical translation down 7, horizontal translation to the left 3, vertical shrink by a factor of 2, flip over the x-axis, horizontal stretch by a factor of 3

02/16/18

Write the quadratic function in the form. F(x)=a(x-h)^2+k   Then, give the vertex of its graph.   f(x)=3x^2+12x+13

11/25/17

#### You have 356 feet of fencing to enclose a rectangular region. Find the dimensions of the rectangle that maximize the enclosed area.

(Hint: Write formula for area as a quadratic function of length and use the concept of maximum value of quadratic function)

04/24/17

#### Graphing with word problems

You are going to a concert. Your research shows that you can sell 500 tickets at 50$per ticket. Your research also shows that for each 2$ drop in the ticket price will result in five more tickets... more

04/24/17

#### y= -2( x + 3)( 2x - 5)

Calculate the y-intercept Calculate the x - intercepts Calculate the vertex Sketch graph of y v.s x without completing the square

02/26/17

A survival kit is dropped from a helicopter. The height, h in metres , of the kit above the ground t seconds after it is released is modelled by the quadratic function h(t)=235-4.9t2 How high is... more

06/20/16

#### How many toys must be made to minimize the production cost?

Formula : C(t) = 0.2t2 - 10t + 650

05/23/16

#### Why does the equation for the line of symnetry (of a parabola) make sense?

the equation is (b/2a)

04/09/16

#### Two quadratic equations have same solutions, but one is -a, the other a. What about the graphs?

The equation -x^2+5x-6=0 has the same solutions as x^2-5x+6=0. The solutions are x=2 and x=3. But when they are graphed, one parabola goes up and the other down. Which is the correct one? Or does... more

11/09/15

I'm .1 points away from getting full credit on my online homework, but this last problem is killing me.   Define the formula for a parabola (a quadratic function) that has horizontal intercepts... more

05/26/15

#### real world problem using f(x)=x^2+2 quadratic function

i need to know the real life problem related to this function help me plz.

03/19/15

#### You have enough paint to cover an area of 50 ft2.What is the side length of the largest square that you could paint? Round your answer to the nearest tenth of a

You have enough paint to cover an area of 50 ft2.What is the side length of the largest square that you could paint? Round your answer to the nearest tenth of a foot.
Quadratic Functions And Equations Parabola Equation

12/02/14

#### How to find the equation for a parabola for which you are given two points and the vertex?

I was originally given the value (4,-2) as the vertex of a parabola and told that it also includes the value (3,-5). From this point, I deduced that the next point would have the same y-value as... more

11/10/14

#### You are given a graph and asked to write the equation of the quadratic function.

The graph shows a vertex = (-1,-8) and the zeros at -3 and 1. The directions say to find the sum of the roots, and the product of the roots. Then insert the answers into the general formula of... more

10/09/14

x2=3x+5

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