Finding C
Find c.
x2+12x+c-c+20.
c=36
Simplify the square root of 4.
Write the first three terms as a squared expression.
x2+4x+4
(x+2)2
What is the perimeter of a rectangle with one side being 5 ft and the other being 4 ft? Include units.
18 ft
Find c.
x2+14x+c-c-5.
c=49
Simplify the square root of 625.
25
Write the first three terms as a squared expression.
x2+8x+16
(x+4)2
What is the area of a rectangle with one side being 5 ft and the other being 4 ft? Include units.
20 ft
Find c.
x2+2x+c-c+11.
c=1
Simplify the square root of 75.
5 square roots of 3.
Write the first three terms as a squared expression.
x2-10x+25
(x-5)2
What is the volume of a cube with one side being 5 ft, one being 3 ft and the other being 4 ft? Include units.
60 ft3
Find c.
x2-10x+c-c+2.
c=25
Simplify the square root of 84.
2 square roots of 21
Write the first three terms as a squared expression.
x2-20x+100
(x-10)2
What is the area of a triangle with the base being 4 ft and the height being 8 ft? Include units.
16 ft
Find c.
x2-24x+c-c+20.
Simplify the square root of 48.
4 square roots of 3.
Write the first three terms as a squared expression.
x2-22x+121
(x-11)2
What is the area of a circle with radius of 8 ft? Include units and round to two decimal places.
201.06 ft2