Expressions
Equations
Inequalities
Negative Numbers
Random
100
Simplify: 8a - 20a
8a - 20a
-12a
100
Solve 3x = -12
x = -4
100
Describe the graph of 7>x
Open circle at 7.
Shade down towards the negative numbers.
100
(-5x)(3) = ???
-15x
100
What is the formula for the area of a circle?
A=pir2
200
Simplify to two terms: 8 + 2(3x + 5)
8 + 2(3x + 5)
8 + 6x + 10
18 + 6x
200
Find the value of x such that: 7(x + 1) = 77
7(x + 1) = 77
7x + 7 = 77
7x = 70
x = 10
or divide by 7 first
200
Solve 5x <10
x < 2
200
Simplify:
(-4)(5) + (-8)(2)
(-4)(5) + (-8)(2)
-20 + (-16)
-36
200
What is the formula for the circumference of a circle?
C=(d)(pi)
300
Simplify to two terms: -4y + 10 - (-10) + 2y
-4y + 10 - (-10) + 2y
-4y + 10 + 10 + 2y
-2y + 20
300
Find the solution: 4(2x + 5) = -40
4(2x + 5) = -40
2x + 5 = -10
2x = -15
x = -7.5
300
Solve 5 < 2x + 5
x > 0
300
Write 2/9 as a decimal and as a percent rounded to a whole number percent
0.222222....
22%
300
If an angle is 30 degrees, what is the measure of its supplement?
150 degrees
400
Simplify to two terms: 2(x + 4) + 7(x + 3)
2(x + 4) + 7(x + 3)
2x + 8 + 7x +21
9x + 29
400
1/3(12x - 3) = 7
1/3(12x - 3) = 7
4x - 1 = 7
4x = 8
x = 2
400
Solve -3x + 6 > 21
x < -5
400
Write 130% as a decimal and simplified fraction
1.3 and 13/10
400
What is the value of Z ???
60 degrees
500
Simplify to two terms: -2(x-4) - 7(x - 3)
-2(x-4) - 7(x - 3)
-2x + 8 - 7x + 21
-9x + 29
500
-1/3(12x - 3) = 7
-1/3(12x - 3) = 7
-4x + 1 = 7
-4x = 6
x = -3/2
500
Solve 10 < 6 - x and describe the graph
10 < 6 - x
4 < -x
-4 > x
x < -4
Open circle shaded down towards the left.
500
Write 1/7 as a decimal to the nearest hundredth (no calculators)
0.14
500
How many seconds are in a day? No calculator
(24 hours)(60 minutes in 1 hr) = 1440 minutes in a day
(1440min)(60 seconds per 1 min) = 86400 seconds
86400 seconds