Proportional Relationships
What is the equation used to find the constant of proportionality?
k = y/x
5x - 2 + 3x - 5
-14a + 3
(-2.12)(-3.5)
7.42
Find the area of a rectangle with a length of 17.2 ft and a width of 8.4 ft
144.48 ft2
What is the difference between surface area and area?
Surface area covers the entire shape. Area only calculates the actual shape.
Calculate the unit rate: $55.50 in 7.5 hours
7.4
-7f + g + 14 - f + 2g - 22
-6p -8r + 28
-152.8 - (-82.7)
-70.1
Find the area of a parallelogram with a height of 4.8 in and a base of 10.3 in.
49.44 in2
Find the surface area of a cylinder with a radius of 6in and a height of 9 in
565.2 ft2
Solve: 20/ 8/15
75
2(-7q+8)-3q
-17q + 16
(3 ¾)(-1 ⅕)
-9/2 or -4 1/2
Find the area of a circle with a diameter of 10cm
78.4 cm2
Find the area of the composite figure:
Big Circle: r = 12 in2
Small Circle: r = 6 in2
339.12 in2
A truck driver drove 120 miles in 1 3/4 hour. What is the speed of the truck in miles per hour?
68.6
3(9x-6y)+2(3x-7y)
33 - 32y
3.75/-1.5
-2.5
Find the area of a triangle with a base of 7cm and a height of 5.6cm
19.6 cm2
Find the area of the composite figure:
Triangle: Base = 15m, H= 4m
Rectangle: Length = 20m, W = 7m
A = 170 m2
Cooper ran the Olympic marathon of 26 1/5miles in a time of 5 4/5hours. How far did he run in 1 hour?
4 15/29
5(-4a-3b-2)-2(a-5b-6)
-22a - 5b + 2
The Tigers, a football team, must gain 10 yards in the next four plays to keep possession of the ball. The Tigers lose 12 yards, gain 5 yards, lose 8 yards, and gain 14 yards. Do the Tigers maintain possession of the ball?
No, they are -1 yards
Find the radius of a circle with a diameter of 628 ft
r = 100ft
Find the surface area of the composite figures:
Top rectangular prism with measurements of 4yd, 3yd, 2 yd
Bottom rectangular prism with measurements of 9yd, 8yd, 4yd
308 yd2