330 Answered Questions for the topic Quadratic Formula
we are using the quadratic formula in class. Im just a bit confused how to apply it to word problems.
a firework is launched upward at an initial velocity of 116 feet per second from a cliff 300 feet above a beach. What is the height of the firework after 2 seconds? At what time(s) is the object... more
What will the width of the mat be?
Jay has a photo that measures 10 cm by 15 cm. He wants to fix it to a mat, so that there is a border of uniform width around the photo. The mat and photo will have an area of 500 cm2. What should... more
Math help with quadratic word problems
A rancher uses 200m of fencing to enclose two adjacent rectangular corrals, forming one large corral with a fence in the interior. Determine the dimensions that enclose a total area of 1400m
Solving volume with quadratic formulas
the length of the rectangular piece of sheet metal is 3 in longer its width a square piece that measures 1 in on each side is cut from each corner then the sides are turned up to make a box with... more
Quadratic Formula Math Help
Is this a quadratic formula?
Is y=x^2 + 3x a quadratic formula? What are the qualities of a quadratic formula?
A rocket is shot off on a projectile of h=−16t2+101t+15 where h is the height of the rocket after t seconds. At what time will the rocket hit the ground?
Solve using the quadratic formula, Round to the nearest tenth
Solve with quadratic formula
the length of a rectangle exceeded twice its width by 3 inches. If the area is 10 square inches,.find the rectangle's dimensions. Round to the nearest tenth of an inch.
Problems leading to quadratic equations
The height of a right-angled triangle is 3 cm more than the width. The area is 10 cm2. Find the width of the triangle.
x^2 = 11 - 4x , How do you answer this is in the quadratic formula?
2n^2 + 14 = 11n , How do you answer this in the quadratic formula?
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
Solve with quadratic formula..7x^2 - 10x - 1 = 0?
7x2 - 10x - 1 = 0
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
Solving equations with quadratic formula? 8n^2 + 4n - 16 = -n^2
8n2 + 4n - 16 = -n2
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
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
The area of the front cover of a daily journal is 273 cm2, and the length is 8 cm greater than the width. What are the dimensions of the cover?
What is the length and width?
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..
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
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
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.
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
solve using quadratic formula