225 Answered Questions for the topic Quadratic Functions

Quadratic Functions

03/09/15

Complete the square to write the function in f(x) = a(x - h)2 + k form.
Complete the square to write the function in f(x) = a(x − h)2 + k form. Determine the vertex and the axis of symmetry of the graph of the function.f(x) = x2 + x − 6   f(x)=____________
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Quadratic Functions

03/09/15

Complete the square to write the function in f(x) = a(x - h)2 + k form.
Complete the square to write the function in f(x) = a(x − h)2 + k form. Determine the vertex and the axis of symmetry of the graph of the function.f(x) = x2 + 4x − 5   equation f(x)=____________
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Quadratic Functions Algebra 1

02/22/15

what is the maximum height the ball reaches? how long will it take the baseball to reach the maximum height? how long does it take for it to reach the ground?
a baseball player hit a ball with an upward velocity of 46ft/s. its height h in feet after t seconds is given by the function h=-16t2 +46t+6
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Quadratic Functions

02/08/15

3cm x 3cm x 3cm cube is made of 27 small cubes, each measuring 1cm x 1cm x 1cm. Exterior is painted. How many of the small cubes have exactly one face painted?
part b) if a 4 by 4 by 4 cube is assembled the same way. how many small cubes will have exactly one face painted?  c) 5 x 5 x 5??? 6 x 6 x 6???
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Quadratic Functions

12/14/14

Which of the following quadratic functions would hAve no solution?
A) y=-4x^2+8   B) y=4x^2-8   C) y=8-4x^2   D) y=4x^2+8
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Quadratic Functions Word Problems

12/09/14

The cost C of manufacturing x wheels at Ravi's Bicycle Supply is given by the function
The cost C of manufacturing x wheels at Ravi's Bicycle Supply is given by the function   C(x)=0.5x^2-170x+25,850   What is the minimum cost of manufacturing wheels? Do not round
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Quadratic Functions

12/02/14

A tour operator believes that the profit P, in dollars, from selling x tickets is given by
A tour operator believes that the profit P, in dollars, from selling x tickets is given by P(x)= 50x − 0.25x2. Using this model, what is the maximum profit the tour operator can expect?
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Quadratic Functions

12/02/14

The height s, in feet, of a rock thrown upward at an initial speed of 64 ft/s from a cliff 49 ft above an ocean beach is given by the function
The height s, in feet, of a rock thrown upward at an initial speed of 64 ft/s from a cliff 49 ft above an ocean beach is given by the function s(t) = −16t2 + 64t + 49, where t is the time in... more
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12/01/14

Graphing quadratic functions
For the quadratic function (x)=-1/3(x+6)(x+6)+3, tell whether the graph opens up or down; wider or narrower; vertex and axis.   Ok so I think I have the idea for this   Vertex:... more
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Quadratic Functions Word Problem

11/23/14

Word problem
Suppose you throw a ball straight up from the groin with a velicity of 80 ft/s. As the ball moves upward, gravity slows it. Eventually the ball begins to ball back to the ground. The height h of... more
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Quadratic Functions

11/22/14

Find a quadratic function to model the values in the table
Table:    x | y ----- -2|-18 0 | -4 2 | -14
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Quadratic Functions Functions Factoring

11/10/14

If the solutions to a quadratic function are x = 3 and x = -5, write the factored form of the function.
Write in factored form.
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Quadratic Functions Parabolas Algebra 2 Help

11/09/14

Please help me with my quadratic function word problem!
The height y of a parabolic arch is given by y=-1/16x2+40, where x is the horizontal distance from the center of the base of The arch. All distances are in feet. What is the highest point on the... more
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Quadratic Functions Algebra 2 Question

11/09/14

Please help me with this quadratic function problem!
The expression p(x)=2500x-2x2 describes the profit of a company that customizes bulldozers when it customizes x bulldozers a month. How many bulldozers per month must the company customize to make... more
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Quadratic Functions Algebra 2 Question

11/09/14

Please help me figure out this quadratic equation word problem?
Suppose you throw a ball straight up from the ground with a velocity of 180 ft per second. As the ball moves upward, Gravity slows it. Eventually the ball begins to fall back to the ground. The... more
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11/09/14

Lines, Parabola, and Systems
Find two numbers whose sum is 78 and whose product is a maximum
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11/09/14

Lines, Parabola, and Systems
A building contractor wants to fence in a rectangular plot adjacent to a straight highway using the highway for one side, which will be left unfenced. If the contractor has 500 feet of fence, find... more
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10/20/14

Exam-style IB SL maths question
The two pependicular sides of a right-angled triangle have lengths x+2 and 5x-3. The hypotenuse has length 4x+1. Find x. (Please show working!)
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Quadratic Functions

10/18/14

how to graph l(60-l)?
in a graphing calculator
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Quadratic Functions

10/18/14

why is an area of 1000ft squared not possible?
 why is the statement true?
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Quadratic Functions

10/16/14

determine revenue function, profit function, maximum profit, number of ticket sales that yields the maximum profit
A charter bus company has determined that the cost, in dollars, of providing x people a tour is C(x) = 180 + 2.50x. A full tour consists of 64 people. The ticket price per person is $16 plus $0.25... more
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Quadratic Functions

10/15/14

rewrite in standard form -x^2-2x+15
-x2-2x+15
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Quadratic Functions

10/13/14

given the quadratic funtion y=-2x+4x+5 what is the direction of opening?
quadratic functions
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Quadratic Functions Math Algebra 2 Math Help

09/23/14

What is the result of isolating y^2 in the equation below? (x+6)^2 + y^2 = 1
What is the result of isolating y^2 in the equation below?(x+6)^2 + y^2 = 1   A.) y^2 = -x^2 - 12x -35 B.) y^2 = x^2 + 12x + 37C.) y^2 = -x^2 - 35D.) y^2 = x^2 + 37
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Quadratic Functions

09/20/14

Worded math
A penny is dropped with no initial velocity from a 20-meter-high balcony into a fountain. How long does it take for the penny to reach the fountain? Round to the nearest hundredth.
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