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STATISTICS
POLYNOMIALS
CALCULATIONS
PERCENTS
MIXED BAG
100
Find the median for the following data: 80 70 60 100 85 75 90
80
100
Find the sum of (x^2 + 5x - 24) and (-x^2 - 4x + 9)
x - 15
100
Simplify: -8 + 16 ÷ 4 - 2
-6
100
Find 20% of 455.
91
100
Express 0.0000035 in scientific notation.
3.5 x 10^-6
200
What is the median on the box & whisker plot on the board?
85
200
Find the difference when (-4x^2 - 12x - 5) is subtracted FROM (x^2 + 9x - 5)
5x^2 + 21x
200
Simplify: ⎮ -4 - 7 ⎮ + ⎮ 3^2 - 7⎮
13
200
What percent of 18 is 12?
66.7%
200
How many ounces are in 80 pounds?
1280 ounces
300
Find the mean for the following data: 93 80 86 72 94 76
83.5
300
Find the product: -3x^2 (4x^3 - 3x)
-12x^5 + 9x^3
300
Simplify: 6 (4 + 1)^2 + (5 - 8)^2
159
300
A test was passed by 90% of the class. If 27 students passed the test, how many students are in the class?
30
300
Find the slope of the line containing the points (7, 3) and (1, -1).
4/6
400
For the following data, find the lower quartile: 22 38 18 14 22 30 23 22 34 17 29
18
400
Simplify: (x - 5)^2
x^2 - 10x + 25
400
Find the value of 2a + 5d - 3c^2 if a = 8, c = -3 and d = -6
-41
400
If the restaurant bill is $55, find the total if a 15% tip is included.
$63.25
400
Add: -12 √2 + 5√2
-7√2
500
Steven's four test grades are 75, 82, 90 and 83. If he wants an average of 85, what grade does he need on the fifth test?
95
500
Simplify: (8x^3 - 4x^2) / 4x^2
2x - 1
500
Find the value of: 9x^0 - 4^0 if x = -4
8
500
You find a $95 calculator that is on sale with a 20% discount. Find the total price including a 8% tax.
$82.08
500
Simplify: 6 √28
12 √7