Linear Equations
Linear Inequalities
Definitions
Compound Inequalities
Number Lines and Absolute Value
100
2x+1 = 0
What is -1/2
100
2x - 3 > 5
What is x > 4
100
An equation is...
What is two expressions that are equal
100
The union of x > 2 and x > 0
What is x > 0
100
Convert (0, 5) to set builder notation
What is {x| 0 < x< 5}
200
(3x-7) - (4x+1) = 5
What is -13
200
-3x < 12
What is x > -4
200
A solution of an equation is
What is a number that makes the equation true
200
The intersection of x+3 < 8 and x > 2
What is 2 < x < 5
200
Convert to interval notation: {x|x > -7}
What is (-7, infinity)
300
2(y+8) + 3(y-2) = 20
What is 2
300
2z + 1 > 3z -5
What is z > 6
300
An union is symbolized by...
What is U
300
-5 < 3b + 1 < 10
What is -2 < b < 3
300
What is the solution set of the interval (negative infinity, infinity)
What is all real numbers
400
2(0.2x + 1) - 4(0.3x-1) = 0
What is 10
400
(2x/3) -1 > 5
What is x > 9
400
An intersection of solutions sets is...
What is all numbers that make both equations true
400
Intersection of -2x > 0 and x > 1
What is no solution set
400
|5x| = 10
What is x = 2, -2
500
7n - 6 + n = 2(4n-3)
What is all real numbers
500
x + 1 > x + 5
What is no real solution
500
The absolute value of a number is...
What is the distance between the number and 0 on the number line
500
(1/2) < (5/2)b +4 < 14
What is (-7/5) < b < 4
500
|0.5x - 4| + 5 = 17
What is x = -16,32
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