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Quadratic Equations
Page 9
Questions (6,570)
Which quadratic rule represents the data in the table?
x –1 0 1 2 3 y 4 5 4 1 –4 A. y = –2x² + 5 B. y = –x² + 5 C. y =
1 answer
asked anonymously
207 views
A model rocket is launched vertically upward so that its height (measured in feet) t sec after launch is given by the following.
4 answers
asked by
Talbert
2,689 views
The height, h(t), of a projectile, in metres, can be modelled by the equation
h(t) = 14t – 5t2, where t is the time in seconds
5 answers
asked by
colin
3,458 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
4,100 views
How many times will the graph of y=3x^2-10 intersect the x-axis?
A. 0 B. 1 C. 2 D. 3 Idk plz help :(
4 answers
asked by
:)
923 views
The area of a square garden is represented by the quadratic expression 9x2 - 12x + 4. The length of one side of the square
3 answers
asked by
Jalen
916 views
if 5 times a certain integer ìs subtracted from twice the square of the integer the result is 63. find the integer
4 answers
asked by
GRACE
1,343 views
The stopping distance of a car traveling 25mph is 61.7ft, and for a car traveling 35mph it is 106ft. The stopping distance in
4 answers
asked by
Alyssa
1,421 views
An arrow is shot from the top of a platform. The path of the arrow can be modelled by
the relation h = -0.005(t - 26)^2 + 5,
3 answers
asked by
Bhaviya
668 views
Determine an equation in simplified form, for the family of quadratic functions with zeros -1 -+ √5 and 2 -+ √2
B) determine
4 answers
asked by
Kim
1,714 views
Express the following in completed square form:
y = (2x)^2 + 14x - 11 Please show the work because I do not understand it.
4 answers
asked by
Kai
859 views
An archer shoots an row into the air such that it's height at any time, t, is given by the function h (t)= -16t^2+kt+3. If the
5 answers
asked by
Sarah
4,131 views
Find the vertex, focus and directrix of the parabola.
4x - y^2 - 2y - 33 = 0 y^2+2y+1 = -4x+33+1 (y+1)^2 = -4(x+8.5)
3 answers
asked by
Abbey
1,390 views
determine the value(s) of k which the equation x^2+kx+9=0 will have
a) two real roots b) 2 distinct roots I tried to find the
2 answers
asked by
fatima
623 views
The sum of the squares of three consecutive whole numbers is 77. Form a quadratic equation and hence solve it to determine the
4 answers
asked by
Alyssa
1,691 views
1-AND PRODUCTION sum of roots of the equation :X²-X-6=0
2-FOR what values of A the equation has no solution ax ² +3 x-7 = 0
4 answers
asked by
Anonymous
916 views
Find the quadratic function that has the indicated vertex and whose graph passes through the given point.
Vertex: (2,3) Point:
2 answers
asked by
Abbey
1,173 views
The graph of y=x^2-2x+1 is translated by the vector (2 3).The graph so obtained is reflected in the x-axis and finally it is
4 answers
asked by
Raj
1,858 views
A basketball is tossed from the top of a 3m wall. The path of the basketball is defined by the relation y=-x^2+2x+3 where x
4 answers
asked by
Sarah
2,769 views
Solve using the quadratic formula.
a) x^2 - 7x + 12 = 0 a = 1 b = -7 x = -b +/- the sr of b^2 - 4ac /2a 7 +/- the sr of -7^2 -
4 answers
asked by
Rebecca
1,572 views
We're reviewing and I forgot how to do this.
Given y=x2-4+3 (x2 is x squared) a)write in standard from b)find vertex c)find
2 answers
asked by
Helen
527 views
form the quadratic equations whose roots are(A:5 and -1/3
5 answers
asked by
pressly.
905 views
The quadratic formula is important in mathematics: it canbe used to solve any quadratic equation(Algebra for College Students,
1 answer
asked by
ITACHI IS NOT A VILLANN !!!!!!
128 views
A parabola passes through the point (3, 5) on its way to the vertex at (7, 11). Determine the equation in vertex form that
4 answers
asked by
T
2,018 views
determine the value(s) of k which a quadratic equation x^2+kx+9=0 will have.
a) two equal real roots b) 2 distinct roots I tried
2 answers
asked by
Anonymous
983 views
Solve using factorization method:
x2+7x+10=0
3 answers
asked by
Y.Abdulsalam
539 views
I am having trouble with these. I don't even know where to start:
Find the exact solutions to 6x^2+x+4=0 By using the Quadratic
2 answers
asked by
Kasey
1,179 views
Determine the equation of a quadratic function that satisfies each set of conditions.
a) x-intercepts 1 and -1, y-intercept 3 b)
3 answers
asked by
Julio
3,574 views
A cannon ball is shot out of a cannon buried 2m in the ground. The height of the cannonball can be approximated by the equation
4 answers
asked by
Math Man
1,859 views
Find the minimum or maximum value of f(x)=−0.25x2+4x−18
7 answers
asked by
Kasey
2,983 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
638 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
851 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
1,788 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
888 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
670 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
2,040 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
898 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
483 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
6,440 views
Give exact and approximate solutions to three decimal places.
(x-4)^2=20
2 answers
asked by
Joey
748 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
3,994 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
1,265 views
Rewrite by completing the square.
2x^2 - 12x + 11
3 answers
asked by
Cassy
1,249 views
-6x^2 + 13x^2
2 answers
asked by
no
68 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
3,825 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
1,096 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
2,163 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
564 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
558 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
3,832 views
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