693 Answered Questions for the topic Quadratic Equations

Quadratic Equations Math Algebra Quadratic Functions

03/20/18

If f(x + 3) = x^2 + kx - 21, what is the value of k?, Where are the zero(s) of f(x + 3)?

The function f is defined by f(x) = x^2 - 2x - 24   Part A   If f(x + 3) = x^2 + kx - 21, what is the value of k?   Enter your answer in the box.     ______________     Part B   Where... more
Quadratic Equations Math Algebra Quadratic Functions

03/20/18

What is the relationship between the line x = 2 and the graph of f(x)?

Consider the following claim: If the point (2 + d, y) is on the graph of the function f(x) = x(x - 4), then the point (2 - d, y) is also on the graph.   Use algebra to show that the claim is... more
Quadratic Equations Math Function Vertex Form

03/20/18

What is the vertex form of f(x) ?

Consider the function f, where f(x) = 2x^2 + 6x - 8What is the vertex form of f(x) ?A. f(x) = 2(x - 3)^2 - 4B. f(x) = 2(x + 3)^2 - 4C. f(x) = 2(x - 1.5)^2 - 1.25D. f(x) = 2(x + 1.5)^2 - 12.5
Quadratic Equations

03/19/18

quadradics problem

a stone is thrown downward from the top of a building with an initial speed of 15 feet per second: the distance d in feet that it falls in t seconds is d=16t2 +15t. How many seconds will it take... more
Quadratic Equations

03/19/18

quadradics problem

if a rectangular carpet has a perimeter of 120 feet and an area of 800 square feet, what is it width?
Quadratic Equations

03/19/18

Vertex and x and y intercept

H(x)=-1/2x^2+7x+15/2
Quadratic Equations

03/18/18

quadradics problem

a stone is thrown downward from thetop f a building with an initial speed of 15 feet per second: the distance d in feet that it falls in t seconds is d=16t +15t. How many seconds will it take for... more
Quadratic Equations

03/17/18

what is the vertex of the parabola whos equation is y=x2=+4x+8?

what is the vertex of the parabola whose equation is y=x2=+4x+8?
Quadratic Equations

03/17/18

If p (x) is divided by (x-5) gives quotient (2x^2-9x+16) and remainder 36 . Find p (x)=......×......+36.....

It is just a quadratic equation problem  
Quadratic Equations

03/08/18

What is the sum of all positive integers k such that the equation x^2 + 11x + k = 0 has two integer solutions?

The answer is 110 but I don't know the solution.
Quadratic Equations

03/08/18

Problem Page Write the quadratic equation whose roots are 1 and 2, and whose leading coefficient is 5.

Problem Page Write the quadratic equation whose roots are 1 and 2, and whose leading coefficient is 5.
Quadratic Equations Algebra 1 Geometry

03/05/18

Find the dimensions of the rectangle below.

Length of x+7, a width of 2x. Area of 520 in2.
Quadratic Equations

03/05/18

solve 2x^2-25x=3x^2-8x-6

please show me steps and the two solutions
Quadratic Equations Word Problem

03/03/18

what size square piece of cardboard is needed?

V=l•w•h v=25,000 cm^3 l=? w=? cut 10 cm off every corner to make it into a box 
Quadratic Equations

02/28/18

2.0/2 points | Previous Answers GHColAlg11 1.4.006. Ask Your Teacher My Notes Question Part Points Submissions Used A large rectangular movie screen in an IMA

 2.0/2 points | Previous Answers GHColAlg11 1.4.006.Ask Your TeacherMy NotesQuestion PartPointsSubmissions UsedA large rectangular movie screen in an IMAX theater has an area of 9,309 square feet.... more

02/28/18

write down an equation in terms of a and p.

the cost of 1 apple is a cents. the cost of 1 pear is p cents. the total of 7 apples and 9 pears is 354 cents  
Quadratic Equations

02/22/18

Quadratic equations

Question; The width of a rectangle is 7 meters greater than its length. If the rectangle is 170 square meters, write the quadratic equation in standard form for the equation taht would represent... more
Quadratic Equations

02/22/18

quadratic question

If a ball is thrown upward from the ground with an initial speed of 112 feet per second, its height h, in feet, after t seconds ish = −16t2 + 112t.How many seconds will it take for the ball to fall... more
Quadratic Equations

02/22/18

quadratic question

    One end of a ladder is resting on the top of a vertical wall that is 3 feet high. The distance from the foot of the ladder to the base of the wall is 2 feet less than the length of the... more
Quadratic Equations

02/22/18

quadratic question

If air resistance is ignored, a projectile such as a rifle bullet or a cannonball follows a parabolic path. Suppose a cannonball fired from the origin follows the graphy = x − 0.0005x2,where both x... more
Quadratic Equations

02/22/18

quadratic question

If air resistance is ignored, a projectile such as a rifle bullet or a cannonball follows a parabolic path. Suppose a cannonball fired from the origin follows the graphy = x − 0.0005x2,where both x... more
Quadratic Equations

02/20/18

Form a quadratic equation in x with given roots for each of the following: 1) 5, 1/2, 2) 2/3, -4/5, 3) -2’1/2, -1’3/4.

explanation and working out please. (just letting you know that “-2’1/2“ is 2 whole, 1 over 2 in a fraction.)

02/20/18

Rectangle has a length of 360 feet and a width of 45. Write a quadratic model for the diagonal.

A football field has a length of 360 feet and a width of 45 feet. Write a quadratic model to represent the amount of feet it would take to walk diagonally across the field.
Quadratic Equations Math Help

02/17/18

What is the equation of the points (1,8) (2,15) and (3,24)?

I cannot find the equation of these points, can someone help me? 

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