346 Answered Questions for the topic Quadratic Formula

Quadratic Formula Quadratic Equations

03/28/18

2n^2 + 14 = 11n , How do you answer this in the quadratic formula?

Need Help!!
Quadratic Formula Algebra 1 Algebra Word Problem

03/21/18

An office supply store sells about 8 graphing calculators per month for $120 each. (cont. in description)

For each $6 decrease in price, the store expects to sell eight more calculators.The revenue from calculator sales is given by the function R(n) = (unit price)(units sold), or R(n) = (120 - 6n)(80 +... more
Quadratic Formula Algebra 2 Algebra Equations

01/22/18

Solve with quadratic formula..7x^2 - 10x - 1 = 0?

7x2 - 10x - 1 = 0
Quadratic Formula Algebra 2 Algebra Equations

01/17/18

x^2 - 2x + 9 = 0...find the discriminant & determine types of solutions?

x2 - 2x + 9 = 0   A.)Find discriminant & determine types of solutions B.)Solve with with quadratic formula
Quadratic Formula Algebra 1 Algebra 2 Algebra

12/15/17

Solving equations with quadratic formula? 8n^2 + 4n - 16 = -n^2

8n2 + 4n - 16 = -n2
Quadratic Formula

12/10/17

solve using quadratic formula

A stone is thrown upward at a velocity of 32 ft./s from a mountain 240 feet high when will the stone hit the ground

Why is this required for finding zeros in Polynomials

I believe this question is very simple, I just would like to know why in this specific example (2x3+2x2-19x+20=0) once I am done plugging in the trinomial into the quadratic formula and get 6 +- 2i... more
Quadratic Formula Math Algebra Quadratic Equations

11/29/17

Quadratic equations

The question is written like this:   The width of a rectangle is (x+2) cm. The perimeter of the rectangle is 6(x+1) cm. The area of the rectangle is 18 cm2. Show that 2x2+5x-16=0.   What is the... more
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?

Still looking for help? Get the right answer, fast.

Ask a question for free

Get a free answer to a quick problem.
Most questions answered within 4 hours.

OR

Find an Online Tutor Now

Choose an expert and meet online. No packages or subscriptions, pay only for the time you need.