Solving Systems of equations
−4x − 2y = −12 4x + 8y = −24
(6, −6)
8n-8+10-8n
anwser: 2
Area= 6*(4+10)
Area=84^2
y = 6x − 11 −2x − 3y = −7
(2, 1)
Define Perimeter
the continuous line forming the boundary of a closed geometric figure.
x − y = 11 2x + y = 19
(10, −1)
3(k+4)-3
anwser: 3k+9
distribute the following expression: -z(-18-z)
: -z(18) + -z(-z) or 18z+z^2
2x − 3y = −1 y = x − 1
(4, 3)
Define Area
The extent or measurement of a surface or piece of land.
2x + 8y = 6 −5x − 20y = −15
Infinite number of solutions
5w+2w
Anwser: 7w
simplify the following expression:
(-2)(x^2+x-8)
-2x^2-2x+16
y = −3x + 5 5x − 4y = −3
(1, 2)
Jessica is having her house build from scracth. If the height of the house is 8ft and the width is 25ft what is the area of the house?
200ft
3 + 2x − y = 0 −3 − 7y = 10x
(−1, 1)
4a+4-2a
Anwser : 2a+4
distribute the following expression:
x(x+y^2-z)
answer: x^2+xy-xz
y = −2 4x − 3y = 18
(3, −2)
A rectangle has a height of 8ft and the width of 6ft what is the area?
48ft
5x + 4y = −14 3x + 6y = 6
(−6, 4)
7(n+2)-4
Anwser: 7n+10
simplify the following expression:
(-x+2)(-xy)
x^2y-2xy
−4x + y = 6 −5x − y = 21
(−3, −6)
What is the area and perimeter of a rectangle with the height of 9ft and width 22ft?
Area: 198ft
Perimeter: 62ft