329 Answered Questions for the topic Quadratic Formula

#### I wish I could show a picture this is for parabolas and quadratics

So I have the given the points (-5,0) (-3,-1) and (9,0) I'm asked to use the given roots and point to find the equation as in f(x)=a(x-h)+k. There is no given vertex or a value so I'm not sure how...
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Quadratic Formula Quadratic Equation

10/23/21

#### what is the maximum height the ball can reach? How long will it take to reach the maximum height?

A ball is thrown from a point above the ground. The height at ground level is given by the equation h=-3t^2+24t, where h is the height in meters and t is the time in seconds. What is the maximum...
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10/20/21

#### Differentiation, Quadratic Equations and the Discriminant

Let f(x) = 5ax^3 - 2bx^2 +4cx1 Find dy/dx f(x)2 Given that f'(x) => 0 and a > 0, show that b^2 =< 15ac

06/22/21

#### .....How far from the post is the chain when it is 50cm from the ground? Write your answer correct to 2 decimal places

A chain is hanging between two posts so that its height above the ground h, in centimeters, can be determined by h = 0.0025x2 - 0.9 + 120, where x is the horizontal distance from one post in...
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Quadratic Formula Algebra 1

06/10/21

#### What two numbers multiply to -14 but add up to -5? Also, what two numbers multiply to -40 but add up to 3?

#### What are the dimensions of the rectangular area that Louise roped off? And what is the maximum area of the rectangular area?

Louise wants to build rectangular greenhouse on the side of her house. She starts of by roping off the area she wants to build in. Since one side of the greenhouse will be the side of her house,...
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#### Question on Math homework Please help!

Ten circular cardboard disks were weighed and the mass in grams and corresponding radius in centimeters were recorded. The information is shown below:cm: 9.6, 9.0, 7.7, 6.3, 5.3, 4.7, 3.7, 2.4,...
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#### During halftime of a basketball game, a sling shot lauches T-shirt is launched from a height of 6 feet with an initial upward velocity of 80 feet per second. The T-Shirt is caught 48 feet above the

During halftime of a basketball game, a sling shot launches T-shirt is launched from a height of 6 feet with an initial upward velocity of 80 feet per second. The T-Shirt is caught 48 feet above...
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05/18/21

#### Factoring, completing the square, and the quadratic formula | y=x^2−2x−24 (y=0)

1) Given the equation y=x^2−2x−24, solve the equation when y=0 by using each method:a) Factoringb) Completing the Squarec) The Quadratic FormulaI've already found the answer to A so that one is...
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#### Given point (-11, -11) and vertex (-9, 1), determine the quadratic function in vertex form:

Given point (-11, -11) and vertex (-9, 1), determine the quadratic function in vertex form: y = a(x - h)2 + k.The value of a - h + k is

#### How many zeros does f(x) = a(x - 2)2 + 5 have if a > 0? mult choice

How many zeros does f(x) = a(x - 2)2 + 5 have if a > 0?a)1b)2c) impossible to determined)0

#### Write a quadratic equation that has these roots

x intercepts = -2 and -7

05/16/21

#### Write quadratic equation in general form. Please explain where I went wrong.

I can not provide an image but it is a parabola on a graph. The vertex is -3.5,-4 . The Left bound is -7,20 and the y-intercept on the right side is 20. I have to determine the equation for the...
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05/15/21

#### Please help and explain process if possible.

A rug company sells circular rugs that have a uniform circular border. The area of the border is about half the area of the circular rug it surrounds. If the radius of the entire rug is 10.0 m,...
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#### How do I find the quadratic function for a parabola when given the vertex and two points?

Vertex: (1,-3) ;; Points: (-1, 4) (3, 4) ;; (OPENS UPWARDS)
vertex: (3,-1) ;; Points: (1, 3) (5, 3) ;; (OPENS UPWARDS)
vertex: (1, 5) ;; Points: (0, 2) (2, 2) ; (OPENS DOWNWARDS)

05/08/21

#### Write three different quadratic functions in vertex form that open downward

Write three different quadratic functions in vertex form that open downward- One with two zeros, one with one zero, and one with no zeros. Explain how you connected the number of zeros to the...
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05/08/21

#### If a parabola with equation y= ax^2+bx+c has a y intercept above the x-axis, will c be positive or negative?

If a parabola with equation y= ax^2+bx+c has a y intercept above the x-axis, will c be positive or negative?

05/08/21

#### Which relation is the factored form of f(x)=x^2-4x=4

a) f(x)=(x-2)^2b) f(x)=(x+4)(x-1)c)f(x)=4(x-1)^2d)f(x)=(x-2)(x+2)

04/15/21

#### I need help with this quadratic rocket question ;-;

A model rocket is launched with an initial upward velocity of 175/fts. The rocket's height h (in feet) after t seconds is given by the following.h=175^t-16t^2Find all values of t for which the...
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03/26/21

#### Study Island Help

Dr. Peabody shot a rocket off the roof of a 42-foot tall building. After three seconds, the rocket reached its highest point of 96 feet.Model this situation with a quadratic function, and use the...
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03/26/21

#### Study Island Help

Dr. Peabody shot a rocket off the roof of a 42-foot tall building. After three seconds, the rocket reached its highest point of 96 feet.Model this situation with a quadratic function, and use the...
more

03/26/21

#### Study Island Help

Dr. Peabody shot a rocket off the roof of a 42-foot tall building. After three seconds, the rocket reached its highest point of 96 feet.Model this situation with a quadratic function, and use the...
more

03/26/21

#### Study Island Help

03/02/21

#### Write a quadratic equation in standard form: f(x)= x2-4x+6

Write the following quadratic equation in standard form:f(x)= x2-4x+6

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