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Quadratic Functions

03/10/18

Use the vertex formula to find the vertex-f(x)=a(x-h)^2+k

f (x)=1/2x2+10

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Quadratic Functions

03/09/18

Write the expression in the form f (x)=a (x-h)^2+k

f(x)=2x2-5x+3

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Quadratic Functions Precalculus Standard Form

02/23/18

Express f in standard form - precalculus question

I'm having a lot of difficulty with this problem because I can't find out how to write it in standard form because I don't know how to complete the square. Any help would be greatly... more

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Quadratic Functions Quadratic Equation With Factoring

02/20/18

The length of a rectangle is 3 centimeters less than its width. What are the dimensions of the rectangle if its area is 238 square centimeters?

The length and width of the rectangle

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Quadratic Functions

02/20/18

quadratic function with maximum and minimum

the number of inmates in custody in us prisons and jails can be modeled by the quadratic function p(x)=-x^2+94x+1125 where p(x) is the number of inamtes and x is the number of years after 1990. in... more

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Quadratic Functions Quadratic Equations

01/27/18

Creating Equation for Sum of Previous Values for Quartic Function

I have this equation that looks like f(x)=0.011x3+2.94x2+104.95x-795 Starting from x=8 and carrying on with only integers, what equation can I use to give me the sum of all previous numbers... more

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Quadratic Functions

01/21/18

The sum of 2 positive numbers is 62. Write an equation that gives the product of the two numbers.

What is the domain and range of this function?

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Quadratic Functions

01/19/18

Write the equation of the quadratic function that passes through the points (3,2) , (2,5) and (1,4) in vertex form

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Quadratic Functions Quadratic Equations Special Functions

01/10/18

21.7 is a good BMI for adults, and should differ no more than x. Write an equation to find the highest and lowest BMI for a healthy adult. Then solve if x=32.

Here's the whole question: Body Mass Index (BMI) is used by doctors to determine weight categories that may lead to health problems. According to the Centers for Disease Control and Prevention,... more

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Quadratic Functions

11/30/17

QUADRATIC FUNCTIONS

QUADRATIC FUNCTIONS:For each of the following,a) Find the number of real roots -- find b^2-4ac: positive means 2 real roots, zero means 1 real root, negative means 0 real rootsb) Find all roots.... more

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Quadratic Functions Math X Intercept Y Intercept

11/22/17

State the x intercepts and y intercept of each function

y = x^2 + 2x - 8

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Quadratic Functions Math

11/21/17

A holding pen is built alongside a long building. The pen requires only three fenced sides, with the building forming the forth side.

There is enough material for 90m of fencing. Predict what dimensions will give the maximum area of the pen. Write a function to model the area. Determine the maximum possible area.

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Quadratic Functions Math Parabola

11/21/17

Brooklyn has 24m of fencing. She wants to build a rectangualr enclosure for her dog with the maximum possible area.

Write a function to represent the rectangular area of the enclosure. How do you know that the function is quadratic?

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Quadratic Functions Algebra Word Problem College Algebra

11/21/17

Write an equation for the family of quadratic functions

Write an equation for the family of quadratic functions, in factored form, with the zeros 0 and negative 8.

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Quadratic Functions Word Problem Maximum Minimum

11/01/17

word problem involving the maximum or minimum of a quadratic function

A supply company manufactures copy machines. The unit cost C (the cost in dollars to make each copy machine) depends on the number of machines made. If x machines are made, then the unit cost is... more

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Quadratic Functions Word Problem Word Problems Maximum

11/01/17

word problem involving the maximum or minimum of a quadratic function

A ball is thrown vertically upward. After "t" seconds, its height "h" (in feet) is given by the function h(t) = 60t-16t^2. What is the maximum height that the ball will reach? Don't round your... more

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Quadratic Functions

10/31/17

How would you put x^2 -mx-nx+mn into standard form?

Standard form like f(x)=a(x-h)2 +k.

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Quadratic Functions

10/23/17

you can grow 4 pounds of wheat per square meter of farmland.If you grow 3600 pounds wheat on a square farm, what is the length of the farm?

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Quadratic Functions

10/22/17

Write the equation of the line in standard form who has points at (2,3) and (-2,5)

The slope of the line is -1/2

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Quadratic Functions

09/26/17

Quadratic function

a ball is thrown upward from the top of a 160-foot-high building. The ball is 192 feel above ground level after 1 second, and it reaches ground level in 5 seconds. The height above ground is a... more

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Quadratic Functions

08/18/17

the ball is given by h = 1 + 30t – 5t2 and t is the time in seconds, will the ball hit power chords that are 50 metres in the air?

Carly has just hit a baseball high into the air. If the height h, in metres, of the ball is given by h = 1 + 30t – 5t2 and t is the time in seconds, will the ball hit power chords that are 50... more

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Quadratic Functions

08/17/17

graph the square root function of h(x) = -√x-1; State the domain and range

Graph the square root function of h(x) = -√x-1; State the domain and range.

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Quadratic Functions

08/05/17

find all the positive values for c so that x^2 - 6x +c < 0 has real solutions for x

answer in interval form

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Quadratic Functions Quadratic Word Problem Quadratic Applications

07/28/17

A company has discovered that it costs $16 to produce 2 widgets. $18 to produce 4 widgets. $48 to produce 10 widgets. Whats the total cost for 8 widgets?

I am having a lot of problems in this section of my class. the rest of problem → "Company ABC produces widgets. They have found that the cost, c(x), of making x widgets a quadratic function in... more

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Quadratic Functions College Algebra Polynomials Vertex

07/28/17

How to find the vertex through this word problem?

A salesperson finds that her sales average 40 cases per store when she visits 30 stores a week. Each time she visits an additional store per week, the average sales per store decreases by 1 case.... more

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Use the vertex formula to find the vertex-f(x)=a(x-h)^2+k

Write the expression in the form f (x)=a (x-h)^2+k

Express f in standard form - precalculus question

The length of a rectangle is 3 centimeters less than its width. What are the dimensions of the rectangle if its area is 238 square​ centimeters?

quadratic function with maximum and minimum

Creating Equation for Sum of Previous Values for Quartic Function

The sum of 2 positive numbers is 62. Write an equation that gives the product of the two numbers.

Write the equation of the quadratic function that passes through the points (3,2) , (2,5) and (1,4) in vertex form

21.7 is a good BMI for adults, and should differ no more than x. Write an equation to find the highest and lowest BMI for a healthy adult. Then solve if x=32.

QUADRATIC FUNCTIONS

State the x intercepts and y intercept of each function

A holding pen is built alongside a long building. The pen requires only three fenced sides, with the building forming the forth side.

Brooklyn has 24m of fencing. She wants to build a rectangualr enclosure for her dog with the maximum possible area.

Write an equation for the family of quadratic functions

word problem involving the maximum or minimum of a quadratic function

word problem involving the maximum or minimum of a quadratic function

How would you put x^2 -mx-nx+mn into standard form?

you can grow 4 pounds of wheat per square meter of farmland.If you grow 3600 pounds wheat on a square farm, what is the length of the farm?

Write the equation of the line in standard form who has points at (2,3) and (-2,5)

Quadratic function

the ball is given by h = 1 + 30t – 5t2 and t is the time in seconds, will the ball hit power chords that are 50 metres in the air?

graph the square root function of h(x) = -√x-1; State the domain and range

find all the positive values for c so that x^2 - 6x +c < 0 has real solutions for x

A company has discovered that it costs $16 to produce 2 widgets. $18 to produce 4 widgets. $48 to produce 10 widgets. Whats the total cost for 8 widgets?

How to find the vertex through this word problem?

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The length of a rectangle is 3 centimeters less than its width. What are the dimensions of the rectangle if its area is 238 square centimeters?