Order of Operations
14+18/2*18-7
169
1. Which of these sets of numbers contains no rational numbers?
[A] 12, 1 2 , - 13
[B] - 3.5041, √99, 0.143635
[C] - 6, -√225, 47 8
[D] √81 , 0.75, 0
4 + 6x < x + 6x
x>4
four less than a number is 64
64=x-4
Find the domain of 1/ (x-1)
24/3*4
32
2. What is the best classification for - 4?
[A] irrational number, real number
[B] integer, rational number, real number
[C] whole number, integer, real number
[D] rational number, real number
B
-15 - 2n > -8n + n
n > 3
The sum of a and 8 is twenty
a + 8 = 20
Write an equation in which A is directly proportional to B
A=kB
(3+2)^2
25
3. Which of the following square roots is an irrational number?
[A] −√16
[B] √64
[C] √8
[D] √ 1/ 64
C
-15 + 8x > 8x - 3x
x > 5
Twice a number is two more than six
2x + 2 = 6
Write an equation in which A is inversely proportional to B
A= 1/k B
3+2^2
7
The number 0.8 belongs to which of these sets? Natural number, whole numbers, integers, rational numbers, irrational numbers, and real numbers. Name all that apply.
Rational numbers, real numbers.
8>2x>4
4>x>2
Write the equation of a line that is parallel to y=-5x and goes through (-1, 2)
Write in slope-intercept form
y= -5x -3
Classify this number:
pi
Irrational
4*4/4*4
16
State whether √168 is a rational number or an irrational number.
Irrational
5>7x>3
5/7>x>3/7
Write the equation of a line that is perpendicular to y=-2/3 x + 1 and goes through (-3, 2)
Write it in Slope-intercept form
y= 3/2 x + 13/2
Classify this number:
i
Imaginary