337 Answered Questions for the topic Quadratic Formula

Quadratic Formula Quadratic Equations

10/20/17

A natural number when subtracted from 28, becomes equal to 160 times its reciprocal. Find the number.

i don't how to solve the question.can u please help me. i want the answer..  

10/11/17

Find all real roots of the given polynomials, using the quadratic formula if necessary. Then write the polynomial in factored form.

a) f(x) = x3 − 5x2 + 2x + 12   b) g(x) = 4x3 − 6x2 + 1
Quadratic Formula

08/27/17

the area of a rectangle is 20 cm^2. The lenght is 8 more than the width. Find the width in cm.

Solve using Quadratic equation 
Quadratic Formula Math Parabolas Graphing

07/24/17

How do find the equation of the parabola given the vertex, and both x intercepts?

I am trying to find a equation that would graph a parabola given the vertex and both x intercepts. Can you please help? Thanks.
Quadratic Formula

07/20/17

I am trying to solve a math problem, but Im stuck!

 I know I have to use the quadratic formula, but not sure how to get started.  x=x0+v0t+(1/2)at^2, solve for t
Quadratic Formula

07/19/17

solve using quadratic formula

3x^2-10x-3=0

07/18/17

NEED HELP WITH SIMPLE ALGEBRA 1 PROBLEM!

The square of a number (x^2), decreased by 6, is equal to 18 decreased by 5 times the number.   The numbers are _______ and _________.
Quadratic Formula Exponents Quadratic Equations

07/17/17

How to solve this quadratic equation with the quadratic formula? Help?

Could someone help me with this question step-by-step using the quadratic formula? 3x² + 24x – 144
Quadratic Formula Exponents Quadratic Equations

07/17/17

Need help with a question using the quadratic formula

Could someone help me with this question step-by-step using the quadratic formula?   3x²-17x+10

07/13/17

How to solve this quadratic equation with the quadratic formula?

I've been having trouble with this problem: x2 + 2x = 8 So far this is what I got: -2±√-28-----------     2  However I'm not too sure what to do next, help?

07/13/17

How to solve this quadratic equation with the quadratic formula?

I've been having trouble with this problem:   x2 + 2x = 8   So far this is what I got:   -2±√-28-----------      2   However I'm not too sure what to do next, help?

07/13/17

One, Two, or No Real Solution Problem.

How do I know if this has One, Two, or No Real Solution?   -3x^2 + 5x - 1 = 0    
Quadratic Formula Math Algebra 1 Area Of Rectangle

06/28/17

If the area of a rectangle is 5l3 + 5l2w - 2lw - 2w2, find its length and width. A = lw

Please explain your reasoning. 
Quadratic Formula

05/08/17

Use the technique of completing the square to transform the quadratic equation into the form (x + c)^2 = a.

Question1. 6x^2 – 36x + 42 = 0 Question2. 3x^2 – 48x + 153 = 0

04/29/17

Quadratic equation related doubt

How to get the formula s=1/2(αβ/α+β)t2 
Quadratic Formula

03/24/17

how do i solve with quadratic formula?

what is the exact process of the Quadratic Formula?
Quadratic Formula

03/15/17

suppose that the equation v=5.5x^2-440x+17500 represents the value of a car from 1970 to 2017. What year did the car have the least value? (x=0 in 1970)

suppose that the equation v=5.5x^2-440x+17500 represents the value of a car from 1970 to 2017. What year did the car have the least value? (x=0 in 1970)
Quadratic Formula

03/07/17

Find the dimensions of the fielld

The area of the field is 800 yd.² The length of the field is twice the width  
Quadratic Formula

03/07/17

9w^2 – 7 = 0

The answer must be in decimal in hundreths  
Quadratic Formula Find The Answer

02/15/17

A number is 30 less than its square .

A number is 30 less than its square.find the numbers
Quadratic Formula Mathematics

01/23/17

Can you use the quadratic formula to solve any quadratic equations?

Can you use the quadratic formula to solve any quadratic equations?
Quadratic Formula

12/09/16

Julie wants to build a sidewalk of uniform width around her garden.

Julie wants to build a sidewalk of uniform width around her garden. Her garden is rectangular, and its dimensions are 20 feet by 30 feet. She has enough pavers to cover 900 square feet and wants to... more
Quadratic Formula

12/07/16

quadratic formula

i bought a truckload of wreaths for 750$ and priced them so I would make a 2$ profit on each one sold. When i sell all but 100 wreaths, i break even. how many wreaths were in the truckload?
Quadratic Formula Math Word Problem Word Problems

12/05/16

How long does he have until the ball reaches the ground?

Draco steals and throws Neville's red ball straight up at 78 feet per second from about 10 feet above the ground. The ball's height in feet above the ground after t seconds is given by... more
Quadratic Formula Math Algebra Word Problem

11/29/16

What are the lengths of the sides of the mirror and the painting?

A square mirror has sides measuring 2 feet less than the sides of a square painting. If the difference between their areas is 32 square feet, find the lengths of the sides of the mirror and painting.  more

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