Geometry
Find the area of a semicircle with a radius of 4 cm.
25.12
Evaluate 112
121
Evaluate using Distributive Property
4(3 + 5)
4(3) + 4(5)
12 + 20
= 32
Simplify. If not possible, write simplified.
12a - a
11a
The algebraic expression for the sum of x and its square is equal to y times z.
x + x2 = yz
Find the area of a trapezoid whose bases measure 3 cm and 5 cm and whose height is 6 cm.
48 square cm
Evaluate 5 + 7 x 4
33
Evaluate using Distributive Property (a + 7)2
a(2) + 7(2)
2a + 14
Simplify. If not possible, write simplified.
20a + 12a - 8
32a - 8
Evaluate 3[10 - (27 / 9)]
21
Find the surface area of a triangular pyramid whose base measures 5 feet high by 6 feet wide. The three faces measure 7 feet high.
base is 15; each face is 21.
total surface area is 78 square feet
Evaluate (15 - 5) x 2
20
Evaluate using Distributive Property
3(m + n)
3(m) + 3(n)
3m + 3n
Simplify. If not possible, write simplified.
3x - 2y
Simplified
Evaluate 162 + [6 (7 - 4)2]
216
What's the area of a parallelogram that is 2 feet tall and 12 feet wide?
24 square feet
Evaluate 62 + 3 x 7 - 9
48
Evaluate using Distributive Property. Simplify.
(5y - 3)7
5y(7) - 3(7)
35y - 21
Simplify. If not possible, write simplified.
-6x + 3x2 + 10x2
-6x + 13x2
Use the Distributive Property. Simplify.
4(6p + 2q - 2p2)
24p + 8q - 8p2
base is a circle! radius is 6 so area of one circle is 113. Both are about 226 square inches.
Evaluate if a=12, b=9, and c=4
b2 + 2a - c2
89
Evaluate using Distributive Property. Simplify.
-2(2x2 + 3x + 1)
-2(2x2) + -2(3x) + -2(1)
-4x2 - 6x - 2
Simplify. If not possible, write simplified.
10x - 4(x + 2y)
10x - 4x - 8y
6x - 8y
Simplify. If not possible, write simplified.
3a2 + 6a + 2b - 5b
3a2 + 6a - 3b