09/25/20

The height h (in feet) of an object dropped from a ledge after x seconds can be modeled by h(x)=−16x^2+4. The object is dropped again from a different starting height so that it hits the ground 2... more

04/23/20

#### I have no idea how to do this... Help?

A baking soda rocket is fired upwards with a initial speed of 80 feet per second. Its height,h, above the ground in feet can be modeled using the equation:h(t)=-16t^2+80t where t is the time... more

03/02/20

A ball is dropped from the top of a building that is 1,000 feet high. Its height, in feet, as a function of the time, x, in seconds, after the ball was dropped, is given by the following equation,... more
Quadratic Functions Algebra 1 Algebra 2 Algebra

01/18/20

Solve x^2 - 12x = 0. I do not know how to solve this because there is no third term.

09/02/19

#### a parabola passes through the point (3,5) on its way to the vertex at (7,11). Determine the equation in vertex form that represents this parabola.

A parabola passes through the point (3,5) on its way to the vertex at (7,11). Determine the equation in vertex form that represents this parabola.

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

05/21/19

#### I never learned this skill

On one of the banks of the Chicago River, there is a water cannon, called the Water Arc, that sprays recirculated water across the river. The path of the Water Arc is given by the model = -0.006x2... more

05/07/19

#### Graphing complex numbers

Given z1 and z2, find the difference between them. z1 = 2 - 3i and z2 = 4 + i

05/06/19

#### find a quadratic function to model the values in the table

x|y-1|-8 0|-2 3|-8

01/27/19

01/23/19

#### rewrite function in vertex form

Rewrite function in vertex form f(x)=x^2+6x+4

01/21/19

#### Please can u show me step by step how to do this

A triangle has a base 2x+1 and height 6x-3. What value of x would give an area of 240m2?

10/05/18

#### Solve Problems Involving a Quadratic Function’s Minimum or Maximum Value

Suppose that the price per unit in dollars of a cell phone production is modeled by p=50−0.0125x, where x is in thousands of phones produced, and the revenue represented by thousands of dollars is... more

10/02/18

#### question in the description

The height, h, in metres, of an object t seconds after it is dropped is h=-0.5gt²+k, where g is the acceleration due to gravity and k is the height from which the object is released. If an object... more

10/01/18

#### What is the new equation of the parabola a=1/2?

The parabola defined by the equation f(x)= x^2-6x+13 is shifted 5 units downward. If the new line of symmetry is at x=4,What is the new equation of the parabola a=1/2?

10/01/18

#### What's its equation?

A parabola has a minimum point at (-2,-5) and passing through (1,4). What's its equation?

09/30/18

#### Find the value of k

Find this value of k such that the graph of y= 2(x-3)^2+k will pass through the point (-2,55).

09/29/18

#### What is its equation if it opens downward?

The quadratic function f(x)= (x-4)^2+7 is shifted 1 unit upward and 3 units to the right.What is its equation if it opens downward?

07/20/18

A parabola has a vertex of (4, 8) and points down.Write two possible equations of quadratic functions in vertex form such that the parabola has exactly two zeroes.Find the zeroes for both... more

07/20/18

Build a quadratic function that points down and has roots 2 and -4.Marks may be awarded as outlined below. If your teacher plans to use a different strategy to evaluate your work they will inform... more

07/20/18

A ball gets kicked from the ground, and the equation that models the height of the ball (measured in metres) versus time (measured in seconds) is given by h(t) = -4.9t2 +12.8t. How long is the ball... more

07/18/18

#### A florist currently sells 92000 bouquets per year at a cost of 17 dollars each. In the previous year when they raised the price to 23 dollars, they only sold 68

A florist currently sells 92000 bouquets per year at a cost of 17 dollars each. In the previous year when they raised the price to 23 dollars, they only sold 68000 bouquets that year. Assuming the... more
Quadratic Functions Math Math Help Math Word Problem

07/14/18