#### Min/Max applications of quadratic formulas

The total cost of producing a type of truck is given by , C(x) = 21000 -20x + 0.04^2 where x is the number of trucks produced. How many trucks should be produced to incur minimum cost?

Solve for x where 0 ≤ x ≤ pi.sec^2 x + 3 sec + 2 = 0.(the answers should be given as fractions, from least to greatest)

#### What is the maximum area he can fence in this manner?

A farmer wants to build two rectangular pens of equal size off the side of a barn and he has 400 feet of fence to do so. To help increase the pens area, the farmer requires that they share a side... more

#### What is the height of the garden? [Algebra 2: Quadratics]

A landscaper is designing a flower garden in the shape of a trapezoid. She needs the shortest base to be 7 yards greater than the height, and the longer base to be 11 yards greater than the height.... more

10/08/19

#### How to do a translation, followed by a reflection in the x-axis?

For example if the parent function is f(x) = x2+2x+1, or f(x) = (x+1)2 and the problem asks for a translation left 3, and down 1, followed by a reflection in the x-axis.If I'm understanding... more

09/06/19

F(x) = -(2(x-4))^2+2 describe the transformations that would turn f(x) into quad function g(x) = -2f(3(x-4))+2 more specifically, how to find the vertex of g(x)

09/03/19

#### NEED HELP ASAP!

Are the points A(3,5), B(0,2) and C(-2,10) the vertices of a right triangle? Justify your answerThe endpoints of the diameter of a circle are (-5,1) and (3,-5). Find the center and the radius of... more

09/02/19

#### x^2+32=0 solve in quadratic formula

also 4x^2+16x+15=0 and y=16x^2-4x+3=0

08/28/19

Use completing the square to write the following equations in vertex form. State the vertex and whether the parabola has a maximum or minimum value.1) y = x^2 - 10x + 32) y= -x^2 + 12x +23) y =... more

08/26/19

For the following quadratic functions, state the transformations that have occurred to the parent function, state the vertex and whether the parabola will open up or down and sketch the curve by... more

08/25/19

The square of a number is equal to 15 more than the twice number. Finad all such numbers.

08/21/19

#### Discriminant: Determine the value of K in given conditions

1.) 5x2 - 6x + ka) Real And Equal (1 root)b) Real And Unequal (2 roots)c) Imaginary (no real roots)

08/18/19

08/14/19

#### The length l of a 200-square-foot rectangular vegetable garden is 4 feet less than twice the width w. Find the length and width of the garden.

The length l of a 200-square-foot rectangular vegetable garden is 4 feet less than twice the width w. Find the length and width of the garden.

08/14/19

#### The length l of a 200-square-foot rectangular vegetable garden is 4 feet less than twice the width w. Find the length and width of the garden.

The length l of a 200-square-foot rectangular vegetable garden is 4 feet less than twice the width w. Find the length and width of the garden.

07/28/19

#### I NEED HELP WITH THESE PROBLEMS FAST!!!

You’ve been given \$500.00 for your fencing. So first we are going to make as big of a rectangular field as we can with the money that we have for the fencing to surround it. The cost of premium... more

05/18/19

a video tracking device recorded the height, h in metres, of a baseball after it was hit into the air. the data collected can be modelled by the quadratic relation h=-3(t-3)^2+18. where t is the... more

05/02/19

#### When Joe dives off a diving board, the equation of his pathway can be modeled by h=-16t^2+15t+12. Find the time it will take to reach the water. Solve using the quadratic formula.

I've answered this a bunch of times but I am not getting numbers that could represent a time. Can someone plz show how this works step by step? The unit is seconds, I think, even though it is not... more

04/04/19

#### A raindrop falls from a cloud at an altitude of 10,000 ft. Another raindrop falls from a cloud at an altitude of 14,400 ft.

Write the two height functions and use a graphing calculator to comparetheir graphs. Then, Use the graphs to tell when each raindrop reaches the ground.

04/04/19

Find a formula for the quadratic function whose graph has its vertex at (5, 4) and its -intercept at y=2

04/02/19

03/23/19

#### answer a, b and c

You will build a rectangular sheep pen next to a river. There is no need to build a fence along the river, so you only need to build three sides. You have a total of  feet of fence to use. Find the... more

03/18/19

#### help with using the quadratic formula

how do you use the quadratic formula to solve z^2+16z+54=0?

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