Show:
The Real Number System & Properties
Simplifying Expressions
Evaluating Expressions
Translating
Equations & Inequalities
100
14/-2
What is an integer?
100
What is n + 4 - 9 - 5n?
-4n - 5
100
What is l-21l + l5l?
26
100
What is "the product of a number and 7, increased by three"?
7x + 3
100
What is 3x - 7 = 11?
x = 6
200
Pi
What is an irrational number?
200
What is 7x - 4y - 8 - 3x - 8y + 12?
4x - 12y + 4
200
What is l a - 4b l? if a = 7 and b = 2
1
200
What is "one less than twice a number"?
2x - 1
200
What is x/4 + 8 = 3?
x = -20
300
3/8
What is a rational number?
300
What is 18 - 2(4x + 7) + 5x?
-3x - 4
300
What is [(-5 + 1) / 2] ^3 - l-7l?
-15
300
What is "four times the difference of a number and nine is -30"?
4(x - 9) = -30
300
What is (x - 17)/3 = -3?
x = 8
400
-28 = -28
What is the reflexive property?
400
What is 9(x - 3) - (x + 2)?
8x - 29
400
What is 3x^3 - 8y^2? If x = 2 and y = -3
-48
400
What is "five more than the quotient of a number and eight is 42"?
(x/8) + 5 = 42
400
What is -5x + 2 > 52?
x < -10
500
(x + 2) + y = (2 + x) + y
What is the Commutative Property of Addition?
500
What is 2x - 6 + x + 8 + 3x + 1?
6x + 3
500
What is w^2 + 2xy? If x = -3, w = -2, and y =1
-2
500
What is "the product of a number and 4, decreased by 2 is less than 18"?
4x - 2 < 18
500
What is 4 - x/7 < 5?
x > -7