Algebra Basics
The property that says 7 + 0 = 7
Identity Property of Addition
The property that says 3(x+2)=3x+6.
The distributive property
Set up an inequality: participants must be less than 12 years old to play.
a<12
What is a variable?
a symbol that represents a number(s)
Evaluate 2x - 3y
when x = 3 and y = -2
12
Solve the equation:
|-6x| = 24
-4, 4
Simplify 2a-13a+5.
-11a+5
Solve for x: b-9>8.
b>17
True or false: the square root of 36 is a irrational number
false
Simplify (b+8)5.
5b+40
Solve the absolute value:
|2x +8| - 4 = 12
-12, 4
Solve for x: x/3=2.
6
Solve for x: x/4<-6.
x<-24
Identify the pattern
5,10,15,20
add 5
What type of number is the square root of 122?
Solve the equation:
|2 - 3x| = 4 - x
x = -1, 3/2
Solve for x: 3x+5=14.
3
Solve for x: 2x+3>7.
x>2
Describe a rule for:
35,70,105,140
add 35
The property that says 3 + 4 = 4 + 3.
Commutative Property of Addition
Solve the inequality:
|2x + 2| -5 < 15
-11 < x < 9
Solve for x: 3x+7=2x.
-7
Solve for x: -2x+7<17.
x>-5
the quotient of the sum of 3 and a number x, and 5
(3 + x)/5