480 Answered Questions for the topic quadratic equation

Quadratic Equation Algebra 2 Mathematics

05/31/19

1) find the values of k which the line y=kx-3 intersects the curve y=x2-9x at two distinct points
i dont know how to do theseand help me do this one too2) find the values of k which the line y=2x+k meets the curve y=1+2kx-x2 at two distinct points3) A curve has equation y=2xy+5 and a line has... more
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Quadratic Equation Algebra 2

05/26/19

A landscaper wishes to enclose a rectangular rest area with trees planted 1 meter apart along the boundary. The perimeter of the area is to be 120 meters. What will the maximum area of the rest area?
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Quadratic Equation Algebra 2

05/21/19

find three consecutive positive odd integers such that the sum of the squares of the first two numbers is greater than the square of the third by 65.find the numbers

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Quadratic Equation Math Quadratic Formula

05/18/19

answer to this application question needed ASAP PLEASE
a video tracking device recorded the height, h in metres, of a baseball after it was hit into the air. the data collected can be modelled by the quadratic relation h=-3(t-3)^2+18. where t is the... more
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Quadratic Equation Algebra 2

05/16/19

write on inequality
an outdoor golfing range has two decks. the top deck is 10 ft high. if a player hits a ball off the top deck with a 9-iron, the ball reaches its peak of 55 ft. From the ground,when it is 15 ft from... more
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Quadratic Equation Algebra 1

05/16/19

Quadratic equation
If a manufacturer can produce a certain item for $7 and sell the item for x dollars, the profit per item will be x-7 dollars. If it is then estimated that consumers will buy 25-x items per month,... more
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Quadratic Equation Algebra 1

05/11/19

Word problem involving ages
a girl is 6 years younger than her brother the product of their ages is 135.find their ages
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Quadratic Equation Algebra 2

05/03/19

Quadratic functions
Order each group of quadratic functions from widest to narrowest graph. Y=3x^2, y=2x^2, y=4x^2
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Quadratic Equation Algebra 1

05/02/19

What are the the answers to this equation using three quadratic forms?
y=x2-8x+7How do I solve this using y=Ax2+Bc+Cy=(x-p)(x-q) and y= a(x-10)2 + k
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Quadratic Equation

05/02/19

Quadratic equations

The product of two consecutive even numbers is 288.what are the numbers
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Quadratic Equation

05/02/19

standard form of quadratics
I’m really confused on how to convert quadratic equations to standard form. What’s the formula or rule or steps for it?
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Quadratic Equation Math Algebra 1 Algebra

05/02/19

When Joe dives off a diving board, the equation of his pathway can be modeled by h=-16t^2+15t+12. Find the time it will take to reach the water. Solve using the quadratic formula.
I've answered this a bunch of times but I am not getting numbers that could represent a time. Can someone plz show how this works step by step? The unit is seconds, I think, even though it is not... more
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Quadratic Equation Geometry

05/01/19

One side of a rectangle is (2x-3) metres. The perimeter of the rectangle is 50 metres and the area of the rectangle is 126m^2
Show that x satisfies the equation 2x2-31x+105=0
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Quadratic Equation Algebra 2

05/01/19

A rectangular hall is 10m longer than it is wide. Its floor area is 75 m². Find its length and width.
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Quadratic Equation Algebra 2

05/01/19

24 is divided into two parts so that their product is 128. Find the two parts.
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Quadratic Equation Algebra 2

04/29/19

Y=-2x^2+12x-16 is my quadratic equation.
Can you please show me how to find the maximum and minimum of this equation.
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Quadratic Equation Algebra 2

04/29/19

Solving a word problem using quadratic equation with irrational roots
h=5+35t-16t2
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Quadratic Equation Geometry

04/28/19

A television screens diagonal length is 38 inches. The width is 6 inches more than the height. Find the dimensions of the screen.
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Quadratic Equation Algebra 2

04/27/19

find the value of A if the equation (a+3)x²-(11a+1)x+a=2(a-5) they are equal root
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Quadratic Equation Algebra 2

04/26/19

Write a quadratic equation with roots of 1/3 and -7/2
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Quadratic Equation Algebra 2

04/26/19

show that x²+2x=(2a+2b+1)(2a+2b-1) are the root of the equation are integers
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Quadratic Equation Algebra 1

04/25/19

How many of each $45 per ton and $50 per ton should be added?
A 24-ton mixture of crushed rock is needed in a construction job. It will cost $1200. If the mixture is composed of rocks costing $45 per ton and $50 per ton, how many of each should be added?... more
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Quadratic Equation Algebra 1

04/25/19

Find the dimensions using a quadratic equation
The length of a rectangular piece of sheet steel is 4 in longer than five times the width. Find the dimensions if the area of the sheet is 168 sq. in. Solve using a quadratic equation.
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Quadratic Equation Algebra 2

04/23/19

Quadratic word problems

the length of a rectangle is 9 more than the width. the area is 322 square centimeters. Find the length and width of the rectangle
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Quadratic Equation Geometry

04/22/19

The hypotenuse of a right triangle is 10 cm long. One of the triangle’s legs is three times the other leg. Find the lengths of the three sides of the triangle. In case of non-integer answer?
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