75 Answered Questions for the topic Completing The Square

Quadratic Equations: Completing the Square

The length of a rectangle is 13 m longer than its width and the area of the rectangle is 400 m2. Find the exact dimensions of the rectangle.

Solve the equation by completing squares

a2 +2a-3=0

solving by formula

So the formula i was given was this:   x= -b± root b^2 -4ac   /2a   for the equation ax^2+bx+c=0   and idk how to plug this into it   2x^2 +1 = 7x  

Put the following functions into standard form by completing the square. Use proper notation throughout.

  f(x)=3x2+x-10   I dont know what goes next after these two steps:  3(x2+1/3x+(1/6)2-1/36)-10  3((x+1/6)2-1/36)-10                                                                         

the path of a basket ball can be modelled by the equation h=-0.09d^2 + 0.9d +2. How far is the ball from the player when it reaches maximum height

h is the height of the ball in meters and d is the horizontal distance of the player in meters 

how would you solve x^2+6=20

How would you solve this with an ending ordered pair?

Completing The Square

A sandbox has an area of 45ft^2. The length is 4 feet longer than the width. Find the dimensions of the sandbox. Solve by completing the square   Write an equation for the total area   Find the... more

A rectangular patio has an area of 91ft^2. The lnegth is 6 feet longer than the width. Find the dimensions of the patio area. Solve by completing the square

Find the width and the length in terms of w   write an equation for the total area   find (b/2)^2   Find the dimensions

Is the b divided by 2 in completing the square related to -2/ba

Currently looking to the answer to this question for extra credit. Any help would be greatly appreciated!

solve x^2-6x=-10 by completing the square

solve x^2-6x=-10 by completing the square

Solve by completing the square

x^2+2x-5=0

9y^2+18y=x^2+6x+9

change this equation in standard form by completing the square. 

y=2+cx+d the turning point is (3,7) work out the values of c and d.

y=2+cx+d the turning point is (3,7) work out the values of c and d

Completing the square

Is it possible to complete the square for this equation ? : y^2+x^2=2x   

how would you solve 9n^2+18n+79=0?

 Need help finding out howto get rid of 9 and 79 can't be divided by 9

completing the square

Solve the equation by completing the square. state whether the solutions are real or non-real. 3x^2+2x+1=0I solved and got (−1+√2i)/3,(−1-√2i)/3I am not sure if it is real or not

how do i make each trinomial a perfect square in the equation x^2+12x+c

 i also have the equation x^2+11x+c. i have no clue what to do to make each trinomial a perfect square

Problem Solving- Completing the Square. I'm not sure how to solve it!

Sean and Mason run out of gas while fishing from their boat in the bay. they set off an emergency flare with an vertical velocity of 30 meters per second. The height of the flats in meters can be... more
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