273 Answered Questions for the topic Quadratic Formula

#### calculate when ball is at a specific height

given maximum height and when it hits the groundmaximum height = 14mhitting the ground again = 6s determine a quadratic equation in the form of ax^2+bx+ c = 0 that can be used to calculate when...
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#### Quadratic function solving.Need help!

Find the Solution for 5x2+20x+32=0 , where a = 5, b = 20 and c = 32, using the Quadratic Formula.Show all you work. You're welcome to use this quadratic formula calculator, but please explain your...
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06/10/20

#### equation of parabola if axis of symmetry x=-2; passes through (0,7)&(-3,-2)

we have to determine an equation with only the given information:- axis of symmetry is x = -2- passes through point (0,7)- passes through point (-3,-2)

#### Algebra 1 Quadratic Formula Questions

Question 1. For the equation x^2 + 14x = -46, the approximate solutions are -8.732 and -5.268. Find the exact solutions by completing the square. Show/Explain your reasoning.Question 2. Here is the...
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Quadratic Formula Quadratic Equation

05/21/20

#### Quadratic Formula

A basketball is thrown toward a hoop, which is 3m above the ground. The height (y, in metres) if the basketball above the ground after t seconds is given by the equation y= -5t^2 + 10t +2A) the...
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#### Algebra 1. Quadratic Functions, Pls help

Identify the Vertex, axis of symmetry and the y-intercept of the following equation.Equation: y=(x-3)^2 (^2 stands for exponent) A=____H=____K=___Vertex= (_,_)Vertex = min or max?Axis of symmetry:...
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05/14/20

#### Finding the distance using distance Formula

You and your friend are standing back-to-back. Your friend runs 20 feet forward and then 15 feet to the right. At the same time, you run 12 feet forward and then 9 feet right. You stop and throw a...
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#### Algebra I Vertical Motion w/ Quadratic Formula

Suppose you throw a rock into the air from the top of a cliff with an initial upward rate of 15 meters per second. (a) How high will the rock be above the cliff top after 2 seconds?(b) Where will...
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#### What are the length and width of the picture without the frame? Select a width and length below.

A framed picture has a total area y, in square inches. The thickness of the frame is represented by x, in inches. The equation y = (8 + 2x) (10 + 2x) relates these two variables. What are the...
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#### What would a solution to the equation 100 = (8 + 2x) (10 + 2x) mean in this situation?

A framed picture has a total area y, in square inches. The thickness of the frame is represented by x, in inches. The equation y = (8 + 2x) (10 + 2x) relates these two variables.What would a...
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05/06/20

#### Need to know the answer please help

1000 tickets are sold for $4 each. If the price is increased by $0.25 the tickets sold decrease by 50. What ticket price will result in the greatest revenue?

#### Solve Word Problem by Using the Discriminent

So I have this math problem "A model of the daily profits p of a gas station based on the price per gallon g is p = -15,000g2 + 34,500g - 16,800. Use the discriminant to find whether the station...
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05/03/20

#### How do I find the axis of symmetry of a parabola from 2 symmetrical points?

I have 2 points, (3,-2) and (7,-2)

#### A ball is thrown. The height of the ball "h", in feet, after "t" seconds is given by the equation: h=-16t^-20t+240. How long after the ball is thrown will it strike the ground?

Please explain step by step and use quadratic formula to find the answer. Ps. The first number of the given equation is -16t to the power of 2 (-16t^2-20t+240)

#### Functions Question

g(x) = 500^2 + 30x represents which kind of function?a. linearb. exponentialc. quadratic

#### Nicky wants to surround an 11 in. by 5 in. painting with a frame that is w inches wide. Which quadratic function represents the combined area A of the picture and the frame?

I am struggling with problem, I can't find the answer. So if someone could explain it to me it would be nice. Thank you.

#### Quadratics Question

Find the x-intercepts and the x-coordinate of the vertex of the graph representing each equation. If you get stuck, try graphing.
y = x^2 - 25
y = x^2 + 16

Quadratic Formula Algebra 1

04/27/20

#### Solving for c using the Quadratic Formula.

For what value of c does 2x^2 - 4x-c =6 have exactly one solution ?

Quadratic Formula Algebra 1

04/27/20

#### Finding an equation of the parabola and the value of x with the equation given.

A parabola has a focus of (0,3) and a vertex at the origin. Write an equation of the parabola. Then find the value of x for which y-8=0.

Quadratic Formula Algebra 1

04/27/20

#### Finding the length and width of the swimming pool, using what is given.

A swimming pool is in the shape of a rectangular prism. The pool is 8 feet deep. It’s length is 2 times it’s width. The volume of the pool is 21,904 cubic feet. Find the length and the width of the...
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Quadratic Formula Algebra 1

04/27/20

#### How to find when an object reached the ground using the Quadratic Formula.

You throw a basketball from a height of 3 feet with an upward velocity of 11 feet per second the function h(t) = -16t^2 +11t +3 gives the height h of the basketball after t seconds. When does the...
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#### I really have no idea on this one

An orange is shot up into the air with a catapult. The function h given by h(t) = 15 + 60t - 16r^2 models the orange’s height, in feet, t seconds after it was launched.Select all the true...
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#### Cameron M - Quadratics Question

Hi there! I’m Cam. My teacher left during online school to have her baby and my new teacher hasn’t been helping. I don’t understand the assignment so I had a few questions.Here’s the first...
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04/13/20

#### Quadratic formula help

I'm having a hard time trying to figure this problem out, can anybody point me to the right direction or help?An object is dropped from a height of 576 feet off the ground. The height h of the...
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04/13/20

#### Quadratic formula help

I'm having a hard time trying to figure this problem out, can anybody point me to the right direction or help?A smart-phone is thrown upwards from the top of a 672-foot building with an initial...
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