352 Answered Questions for the topic Quadratic Formula

Quadratic Formula Algebra 2 Problem Solving

09/21/16

Problem Solving-Quadratic Formula. Don't quite understand how to solve
In a shot put even, Jenna tosses her last shot from a position of about 6 feet above the ground with an initial vertical and horizontal velocity of 20 ft./s the height of the shot is modeled by the... more
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Quadratic Formula Math Algebra Quadratic Equations

07/28/16

Really need help for this question! (URGENT)
The height, y metres, of an object projected directlyupwards from the grouncl can be modelled byy = 17t-5t^2, where t is the time in seconds after itleaves the ground. (iii) 1. 5 seconds after the... more
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07/27/16

Dimensions of a Box
A rectangular shipping crate is in the form of a cube. The width is decreased by 2 m while thelength is increased by 2m and the height is increased by 3 m. The new crate has a volume of168 m^3.... more
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Quadratic Formula

06/20/16

A boy rides a bike 8 miles. The trip would have taken 20 minutes less if he had ridden 2 miles per hour faster. Find his actual speed.
Algebraic question, possibly including the discriminant and/or quadratic formula, because this question was under the quadratic formula category.
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Quadratic Formula

06/05/16

when do you know you cannot factor a quadratic relation, and know when exactly to use quadratic formula??
I know how to factor and how to use the quadratic formula... but however I can't seem to grasp, when to use quadratic formula. I mean when a relation cannot be factored, but how do you determine it... more
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Quadratic Formula Algebra

05/25/16

z^2/3=z/2+5/6 Quadratic formula
(z^2)/3=z/3(z over 3)+5/6 (5 over 6).
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Quadratic Formula Word Problem

05/19/16

Quadratic Formula 2 Part Question
The percent of U.S. households with high-speed internet h can be estimated by: h = -0.2n2 + 7.2n + 1.5 Where n is the number of years since 1990. A. Use the Quadratic Formula to determine when 20%... more
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Quadratic Formula

05/10/16

A rectangle's length is 6 units greater than its width. Write an equation expressing the rectangle's area, A, as a function of w.
I dont understand this question :/  
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Quadratic Formula Math

05/05/16

The length of a rectangle is 3” more than twice the width. The area of the rectangle is 150 in^2. Find the dimensions of the rectangle.
The length of a rectangle is 3” more than twice the width. The area of the rectangle is 150 in^2. Find the dimensions of the rectangle.      
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Quadratic Formula Algebra 2

05/05/16

A triangular reflecting pool has a base of 6 feet and an altitude of 4 feet (continued)
It is decided to increase the size of the pool by extending the base and altitude each by x feet. Find x so that the new area of the pool is 24 square feet.   I am at a loss to start this... more
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05/03/16

Use the quadratic formula to solve : 0.7x^2-4.2x-0.7=0
Use the quadratic formula to solve : 0.7x2-4.2x-0.7=0 The solution set is {_}
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Quadratic Formula

04/26/16

Creating Quadratic Equations for area and finding x
A picture frame holds a 4-in. by 6-in. photograph. The frame adds a border x inches wide around three sides of the photo. On the fourth aide the frame forms a border that is 3x-0.5in wide. The... more
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Quadratic Formula Quadratic Equations Discriminant

04/26/16

The length is 15ft longer than the width and enclosed an area covering 1350 square feet. What are the dimensions of the dog's play area?
The manager of a park enclosed an area for small dogs to play. He made the length 15ft longer than the width and enclosed an area covering 1350 square feet. What are the dimensions of the dog's... more
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Quadratic Formula Quadratic Equations Discriminant

04/26/16

Will a baseball hit straight up with this velocity hit the roof of the Astrodome? Use the discriminant to explain your answer.
In the past, professional baseball was played at the Astrodome in Houston, Texas. The Astrodome has a maximum height of 63.4m. The height of a baseball t seconds after it is hit straight up in the... more
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Quadratic Formula

04/18/16

write the formula for the descriminant (quadradic)
ax2+bx+c=0
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Quadratic Formula Quadratic Equations

03/31/16

what is the width of the patio?
Caroline has a patio of uniform width around the perimeter of her rectangular pool. The pool measures22 ft by 12 ft. If the area of the pool and the patio is 504 ft , what is the width of the patio?
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Quadratic Formula Math Math Help Quadratics

03/29/16

quadratic ques
Roger mows half of a rectangular lawn that measures 40 m by 30 m by mowing strips of equal width around the perimeter. Cookie mows the small inner rectangle. how wide a strip should roger have so... more
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Quadratic Formula

03/19/16

Quadratic Formula
Arif's backyard is 2626 by 3535 meters. He wants to put a flower garden in the middle of the? backyard, leaving a strip of grass of uniform width around the flower garden. To be? happy, Arif must... more
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Quadratic Formula

03/16/16

Use the Quadratic Formula to solve the equation. x^2+10x+35=0
Please help! 
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Quadratic Formula

02/21/16

Quadratic equations and formulas
Assume that the relationship between the amount of revenue and the price of a ticket, is given by the quadratic function , where represents the cost of a ticket in Egyptian pounds (Egypt’s... more
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Quadratic Formula Quadratic Equations

02/20/16

Quadratics Formula
How do you solve this equation using the quadratic formula?   2x^2+2x+5=0
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Quadratic Formula Algebra 2 Word Problem Algebra Help

02/17/16

Quadratic Word Problem: Arena Problem
Steps to take:1. Draw diagrams2. Decide what X will stand for3. Write an equation that uses the variable and the info they give you4. Set the equation equal to zero5. Factor6. Solve   Word... more
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Quadratic Formula Algebra 2 Word Problem Algebra Help

02/17/16

Quadratic Word Problem: Pool Problem
Steps to take:1. Draw diagrams2. Decide what X will stand for3. Write an equation that uses the variable and the info they give you4. Set the equation equal to zero5. Factor6. Solve   Word... more
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Quadratic Formula Algebra 2 Word Problem Algebra Help

02/17/16

Quadratic Word Problem
Steps to take: 1. Draw diagrams2. Decide what X will stand for3. Write an equation that uses the variable and the info they give you4. Set the equation equal to zero5. Factor6. Solve   Word... more
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Quadratic Formula Algebra 2 Square Root

02/01/16

Solve using the quadratic formula: y = 3x² + 10x + 4
Q. Solve using the quadratic formula: y = 3x² + 10x + 4   (-5 ± sqrt(22)) / 3 (10 ± i sqrt(38)) / 6 (-10 ± 13 sqrt(4)) / 6 (5 ± sqrt(12)) / 3 (-5 ± sqrt(13)) / 3   Thank you! 
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