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Quadratic Equations
Page 10
Questions (6,400)
Find the minimum or maximum value of f(x)=−0.25x2+4x−18
7 answers
asked by
Kasey
2,976 views
(please explain with brief explanation)
The area of a rectangular field is 2000 sq.m and its perimeter is 180m. Form a quadratic
2 answers
asked by
Nithin
631 views
Completing the square method allows you to solve any quadratic equation. For each of the following determine what number
2 answers
asked by
Christian
841 views
you are making a rectangular table. The area of the table should be 10 ft^2. You want the length of the table to be 1 ft shorter
4 answers
asked by
sarah
1,783 views
Okay this is what i have to do but i think i am doing something wrong.
directions are: Identify the axis of symmetry, create a
2 answers
asked by
jas20
880 views
My problem:
From 1992 to 1996, the annual income for all the private golf courses in the United States can be approximated by the
2 answers
asked by
Shannon
655 views
1. The roots of the quadratic equation z^2 + az + b = 0 are 2 - 3i and 2 + 3i. What is a+b?
2. Find all pairs of real numbers
3 answers
asked by
Nanami
2,034 views
I have a take home test and I'm stuck on a couple. Anyone help please?
1. Find the vertex & axis of symmetry: -5(x+4)^2-4 2. Find
4 answers
asked by
Krystle
887 views
I have no idea how to even start this, can someone kinda "point me in the right direction" so to speak.
-Compute the time(t) it
6 answers
asked by
Emma
477 views
Write an equation for the quadratic with x-intercepts (-1,0) and (3,0); and y-intercept (0,-2)!!! Please help ASAP!!! :(
4 answers
asked by
Andrea
6,436 views
Give exact and approximate solutions to three decimal places.
(x-4)^2=20
2 answers
asked by
Joey
747 views
The rainbow bridge of Utah is a natural arch that is approximately parabolic in shape. The arch is about 88m high. It is 84m
7 answers
asked by
Anonymous
3,983 views
Number of apartments rented
The manager of an 80 unit apartment complex knows from experience that at a rent of £¤300 per unit,
2 answers
asked by
john
1,258 views
Rewrite by completing the square.
2x^2 - 12x + 11
3 answers
asked by
Cassy
1,235 views
-6x^2 + 13x^2
2 answers
asked by
no
61 views
A population of insects increases at a rate of 250 + 16t +0.3t^2 insects per day. Find the insect population after 3 days,
4 answers
asked by
Anonymous
3,819 views
Consider the equation x(square) + 4px + 2q = 0 where p and q are real constants.
a) by completing square, show that (x+2p)square
4 answers
asked by
Jayden Haddy
1,086 views
A parabola, which is given by the equation y = x^(2)+ax+b, attains its minimum at (6,8). Find a and b.
a = b =
5 answers
asked by
need homework help please
2,153 views
A Quadratic Word Problem
If one side of a square is increased by 2 inches and an adjacent side is decreased by 2 inches, the area
3 answers
asked by
LP
561 views
Select the approximate values of x that are solutions to f(x) = 0, where
f(x) = -6x^2 + 4x + 7.
2 answers
asked by
lee
549 views
For what value of k does the equation x2 + kx + 9have:
Two distinct real roots One real root No real root
5 answers
asked by
A
3,826 views
We are studying Quadratic formula:
A football player punts a ball. The path of the ball can be modeled by the equation
3 answers
asked by
Jane
1,379 views
Hello,
Is there easiest and simplest way to do this question? "A baseball is thrown from the top of a building and falls to the
5 answers
asked by
Serena
1,490 views
how do i find the equation of a parabola given x intercepts x=0 and x=6 and a vertex at (3,4)?
4 answers
asked by
Cody
666 views
(4.35E-2 - x)(7.56E-2 -x )
============================ (0.324 + 2x)2 Rearrange to get an expression of the form ax2 + bx + c = 0
3 answers
asked by
bob
777 views
1. If the point (-3,30) is on the graph y=(x-1)^2+14, where will the point be on y=(x-8)^2-6? I don't understand what this is
5 answers
asked by
Wendy
1,520 views
A rock is dropped off the edge of a cliff its distance S (in feet) from the top of the cliff after T seconds is S(T) = 16t^2.
4 answers
asked by
sky
5,624 views
Find the vertex of each of the following parabolas by averaging the x intercept. Then write each equation in graphing form.
Y=(x-
4 answers
asked by
Sam
826 views
An airline runs a commuter flight between Portland and Seattle, which are 145 miles apart. If the average air speed could be
5 answers
asked by
Amy
4,990 views
What is the vertex form of the equation? Show steps
y=-x^2+12x-4
5 answers
asked by
Steve
4,716 views
Find a parabola with equation
y = ax^2 + bx + c that has slope 6 at x = 1, slope −14 at x = −1, and passes through the point
6 answers
asked by
Tim
2,583 views
Determine the quadratic equation whose solutions are: 3 and -2. Explain your solution
4 answers
asked by
Jessica
2,696 views
Which quadratic rule represents the data in the table? (1 Point)
X : -1 | 0 | 1 | 2 | 3 Y: 6 | 5 | 6 | 9 | 14 Y = -2x^2 + 5 Y =
12 answers
asked by
Some Random Girl
1,477 views
Write an equation for the quadratic graphed below
x -intercepts: (-1,0) and (3,0). y -intercept: (0,1) 1 2 3 4 5
4 answers
asked by
shu
792 views
x^2+6x+8y=7
Find the: Direction: Vertex: Focus: Axis of Symmetry: Directrix:
4 answers
asked by
Leona
5,488 views
Solve by completing the square x2-7x+10=0
4 answers
asked by
Anonymous
1,731 views
Write the standard form of the quadratic function that has the indicated vertex and whose graph passes through the given point.
V
4 answers
asked by
Peter
1,456 views
Write a quadratic equation with real coefficients if one of the solutions is -5 + 7i
4 answers
asked by
Jill
3,496 views
When 30 times a number is increased by 32 ,the result is equal to twice the square of the number. Find the number
5 answers
asked by
Muterine dan
665 views
Determine the focus of the parabola with the equation x2 - 6x + 5y = -34
4 answers
asked by
ala
2,474 views
the roots of 2x^2 - 3x = 4 are a and b. find the simplest quadratic equation which has roots 1/a and 1/b
4 answers
asked by
isha
3,246 views
For the period 1990-2002, the number s (in thousands)lf cellular telephone subscribers in the United States can be modified by
5 answers
asked by
Krystal
2,788 views
How many real number solutions exist for 2x2 8x 8 = 0?
4 answers
asked by
k
2,650 views
Find two quadratic equations having the given solutions. (There are many correct answers. Use x for the variable. Enter your
4 answers
asked by
Anonymous
1,705 views
a. Express f(x)=x^2 - 6x + 14 in the form f(x)=(x-h)^2 + k, where h and k are to be determined.
b.Hence, or otherwise, write down
4 answers
asked by
Bobby
1,856 views
Find p such that px^2-12x+4=0 has only one solution.
Thank you!!!
5 answers
asked by
Jane
2,442 views
the profit made when t units are sold, t > 0, is given by P=t^2-36t+320. Determine the number of units in order for P > 0 (a
5 answers
asked by
now
2,628 views
x^2-4x+12=0 Complete the square to solve for x.
Okay I know how to do up to here: (-4/2)^2 -12=x^2-4x(-4/2)^2 2-12= x^2-4x+2 -10=
4 answers
asked by
Christina
2,649 views
If a - 1/a = 2 then show that
( a + 1/a )^2 = 8
4 answers
asked by
Noor
584 views
Find the equation of the parabola whose axis is horizontal, vertex on the y-axis and which passes through (2,4) and (8,-2).
4 answers
asked by
AJ
1,645 views
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