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Quadratic Equations
Page 2
Questions (6,400)
A rectangular garden is 20 ft longer than it is wide. Its area is 8000 ft{}^2. What are its dimensions?
w(w+20) = 8000 w^2+20w =
5 answers
asked by
Anonymous
2,944 views
i need help doing this question...
a quadratic funtion has these characteristics axis of symmetry: -1 x=3 is the x- int y= 32 is
5 answers
asked by
priya
2,023 views
If h= -16t^2 + 112t represents the height of a rocket, in feet, t seconds after it was fired, when will the rocket hit
4 answers
asked by
Sydney
2,503 views
What is the minimum value of $y$ if $y=3x^2+6x+9?$
5 answers
asked by
Charles
2,031 views
The function f is defined by f(x)=2x^2-6x+5
Find the set of values of p for which the equation f(x)=p has no real roots. Thanks
5 answers
asked by
Audrey
5,434 views
31. Solve the equation by completing the square. Round to the nearest hundredth if necessary.
x2 – 6x = –8
5 answers
asked by
Tina
2,473 views
The vertex of a parabola is(-2,-4). One x-intercept is 7. What is the other x-intercept?
4 answers
asked by
becca
2,177 views
-3x^2+12y^=84
What are the domain and range My answer domain: all real numbers range: y (less than -) -sqrt7 or sqrt7
5 answers
asked by
Steve
965 views
if the roots of ax^2+bx+c=0 are real, rational, and equal, what is true about the graph of y= ax^2+bx+c?
1.) it intersects the
5 answers
asked by
Anonymous
2,785 views
the Ruby Snow Company makes custom snowboards. the company's profit can be modelled with the relation y=6x^2+42x-60,where x is
3 answers
asked by
Anonymous
1,495 views
the graph of the function
f(x)=x^2-kx+k+8 touches the x-axis at one point. What are the possible values of k
3 answers
asked by
Ariel
841 views
Solve the quadratic equation ax2+bx+c=0 using the completing the squares
2 answers
asked by
salz
713 views
Zech tossed a water balloon into the air from the top of his shed in the backyard. Use GeoGebra to graph the situation using the
3 answers
asked by
Blue Berry
139 views
Which of the following scenarios would use a quadratic equation to solve? Responses A child places a quarter into a piggy bank
1 answer
asked by
kat
42 views
What are the coordinates of the vertex of this graph? Is it a maximum or a minimum?
(1 point) Responses (0,3), Max (0,3), Max
1 answer
asked anonymously
38 views
Use the quadratic formula to solve the equation. If necessary, round to the nearest hundredth.
x2 – 6 = x(1 point) Responses x
1 answer
asked anonymously
14 views
31. Solve the equation by completing the square. Round to the nearest hundreth if necessary.
x^2 - 6x = 7 x = 7, 1 x = -7, 1 x =
6 answers
asked by
This Girl
1,076 views
If (x+y)^2=168 and xy =4, then x^2 + y^2=?
4 answers
asked by
Scraffii
1,096 views
A pizza maker determined an annual profit in dollars from selling pizzas using f(n)=65n-0.04n^2 where n is the number of pizzas
2 answers
asked anonymously
179 views
For what values of k does the function f(x)=(k+1)x^2+2kx+k-1 have no zeros? One zero? Two zeros?
7 answers
asked by
Emily
3,761 views
Prove that the roots of the equation kx^2+(2k+4)x+8=0 are real for all values of k.
5 answers
asked by
Euler
1,635 views
For what values of k will the functon f(x)=kx^2-4x+k have no zeros
Determine the values of k for which the function
4 answers
asked by
Farrah
4,089 views
form the quadratic equations whose roots are(A:5 and -1/3
5 answers
asked by
pressly.
897 views
Solve 2x^2-12+4=0 by completing the square, expressing the result in simplest radical form.
4 answers
asked by
William
2,060 views
If zeros of p(x)=2x2-7x+k are reciprocals of each other,then find the value of me
4 answers
asked by
Anonymous
5,408 views
x2-x-1806=0 by completing the square
5 answers
asked by
saad
2,258 views
The teacher has written an equation of the form $p(x) = 0$ on the board, where $p(x)$ is a quadratic, but Heather can't read the
4 answers
asked by
Lilly
592 views
The height h (in meters) of a cannonball t seconds after it is fired into the air is given by
h=-4t^2+16t+9. a) What is the
4 answers
asked by
Josh
2,548 views
A ball is thrown from an initial height of 1 meter with an initial upward velocity of 9 m/s. The ball's height h (in meters)
4 answers
asked by
Lucie
3,829 views
Find the number of units that produces maximum revenue given by
R = 900x-0.1x^2, where R is the total revenue in dollars and x is
5 answers
asked by
Amy
5,081 views
Solve the equation by completing the square.
x^2-12x+35=0
4 answers
asked by
RSM HELP PLS
723 views
If the zero of the polynomial x2 + px +q and double of the zero of 2x2 - 5x-3 respectively find values of p and q?
7 answers
asked by
kamaraj
7,224 views
find a and b so that f(x)=x^2+ax+b has a local min at (6,-5)
i found the derivative: f'=2x+a then i found a 0=2x+a 0=2(6)+a
4 answers
asked by
kate
1,540 views
During a softball game, a batter hits a ball upward from an initial height of 3 feet. The height, in feet, of the softball is
7 answers
asked by
Samantha
6,863 views
For the quadratic equation x squared plus 3 x plus 5 equals 0, find the value of the discriminant to determine if the equation
5 answers
asked by
Curtis
1,167 views
What is the minimum possible value for y=x^2+12x+5? I am not sure where to even start. Thank you!
5 answers
asked by
Trish Goal
1,249 views
The number of vinyl album sales (in millions) in a country x years after 2010 can be modeled by y=0.12x2+0.3x+3.3 for 2010
4 answers
asked by
anonymous person
2,350 views
Write in standard form:
-2y^2+x-4y+1=0
7 answers
asked by
Tom
999 views
The quadratic equation x2 −2kx+(k−1) = 0 has roots a and b such that a2 +b2 = 4. Without solving the equation, find the
4 answers
asked by
Marie
560 views
A quadratic equation can be written in vertex form or in standard form. Sometimes one form is more beneficial than the other.
4 answers
asked by
Steve
2,120 views
The roots of
x^2 + 5x + 3 = 0 are p and q, and the roots of x^2 + bx + c = 0 are p^2 and q^2. Find b + c.
5 answers
asked by
Praveen
951 views
Calculate the coordinates of the turning point on the curve y = x^2 + 4x.
4 answers
asked by
Christopher
1,838 views
write the vertex form equation of each parabola.
1) Vertex:(-5,8), Focus:(-21/4, 8) 2) Vertex:(-6,-9), Directrix: x= 47/8
5 answers
asked by
Alexander
1,951 views
A quadratic curve passes through the points (-2,0)and(1,0).Find the equation of the curve in the form ax^2+bx+c,where a,b and c
4 answers
asked by
Lucciana
816 views
A football is punted. Its height, H metres is given by the quadratic relation with equation: H = -5t2 + 21t, where t is the time
4 answers
asked by
Fred
1,227 views
determine the x-intercept of the quadratic function
f(x)= 2x^2+ x-15
3 answers
asked by
kathy
846 views
The cost C(in dollars) of producing x widgets is represented by c=4.5x squared how many widgets are produced if the cost is
4 answers
asked by
Cammie
692 views
suppose you have 54 feet of fencing to enclose a rectangle dog pen . the function a= 27x- x^2 , where x = width , gives you the
4 answers
asked by
Anonymous
1,803 views
The predicted revenue trend for a popcorn stand at a fair, as the price of a container of popcorn changes is shown in the table.
3 answers
asked by
Alparslan
140 views
if alpha and bita are the zeroes of ax^2+bx+c then evaluate alpha^4+bita^4
4 answers
asked by
keshav
1,380 views
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