Two Step Inequalities
Solve and Graph:
8y-5<3
y<1
<---------O
12g+9g
21g
The perimeter of a triangle with lengths 5cm, 7cm, and 3cm
15 cm
3(x+5)
3x+15
2l+2w
Perimeter of a Rectangle
Solve and Graph:
-2> m/6 - 7
m<30
<------------o
8+4a+6.2-9a
14.2-5a
The perimeter of a parallelogram is 24.2 in, with sides 8.3 in, 8.3 in, 3.8 in, and x. What is the value of x?
x=3.8 in
−3(2x−5
−6x+15
2πr
Circumference
Solve and Graph:
-8 ≤ 2/5 (k-2)
k ≥ -18
•---------------->
-2/3 (12c-9) + 14c
6c+6
Perimeter of a regular octagon is 64 mm, what are the side lengths?
The side lengths are 8 mm
2(4x+1)+5
8x+7
b×h
Solve and Graph:
20 ≥ -3.2(c-4.3)
c≥-1.95
•--------->
What is the difference between an expression and an equation?
An equation has an equal sign and is balanced.
A rectangular community garden has a total perimeter of 120 meters. If the length of the garden is 35 meters, what is the width of the garden?
25 m
−4(3y−2)+y
−11y+8
1/2 (b1+b2)h
Area of a Trapezoid
5(g+4)>15
g > -1
o------------>
4p-5(p+6)
-p-30
The diameter of circle is 9 in, what is the circumference?
28.27 in
3(2x+5)−2(x−4)
4x+23
𝑎 ( 𝑏 + 𝑐 ) = 𝑎 𝑏 + 𝑎 𝑐
The Distributive Property