Symmetry and Surface Area
How many lines of symmetry does a regular pentagon have?
5 lines of symmetry
(1/2) of (2/3) of (5/10) is
1/6
xy2 + 2x is an example of what type of polynomial?
A binomial
If (x - 1)(x - 6) = 0, then what is/are the solution(s)?
x = 1, x = 6
List the whole numbers that satisfy the linear inequality given below:
8 < 2x ≤ 14
5, 6, 7
An equilateral triangle has an angle of rotation of...
120o
Which of the following is not a rational number?
-1, 0.24, 3/2, √2/3
√2/3
If a, b, and c are constants, then what is the degree of ax2 + bx + c?
2
(x + 2)/3 = -5/2, x = ?
-2(x - 3) > -4x - 3
x > -9/2
Suppose you are given a right rectangular prism. If the front face has an area of 10 cm2, the right face's area is 6 cm2, and the top face's area is 10 cm2, then what is the surface area of the prism?
52 cm2
How many integers are between -2.3 and 10/3?
6 integers
2xy(4y - 3xz) =
8xy2 - 6x2yz
14 is added to some unknown number, and then divided by 2. If the result is 56, then what is this unknown number?
x = 98
Suppose that 2b < bx - b, where b < 0. Solve for x.
x < 3
What is the difference between the angle of rotation of a regular hexagon and a square?
90o - 60o = 30o
A number that cannot be expressed as a ratio of integers.
What is an irrational number
If 65x5y2 + 5x2y2 is divided by 5xy, then what is the result?
13x4y + xy
Addition and subtraction are _______ operations.
Inverse
Solve:
5x ≥ 2(x + 18)
x ≥ 12
A cube with a side length of 3 is halved, then increased by 1. What is the surface area of the resulting cube?
37.5 square units
A square has an area of 2.56 cm2, what is its perimeter?
6.4 cm
(2x - 1)(x + 7) =
2x2 + 13x - 7
0.01(x - 1) = 0.05(x - 7)
x = 17/2 or 8.5
If 7x < 55, then what is the largest integer value of x?
x = 7