What does a linear line look like on a graph?
A horizontal line.
What is the name of the shape, when you graph a quadratic formula?
Parabella
An airline emails a survey to every hundreth person who buys a ticket online. Classify the sample.
Systematic
(a-3) (a-7)
TRUE OR FALSE: These terms are an arithmetic sequence. (-5, 12, 29, 46)
TRUE because each term has an additional 17 to get to the next number.
What is slope-intercept form?
Y=MX+B
What is the quadratic formula?
Biased or Unbiase?: You take a survey at a starbucks, "Is Dunking or Starbucks better?"
biased
a^2 - 25
(a-5) (a+5)
Suppose Y varies directly as X. If Y=5 when X=8, find Y when X=64.
Y=40
What is the y-intercept when 3x-2y=-6 is graphed
-3
The volume of a box is 96 cubic inches. The length is 8 inches more than the height. The width is 2 inches less than the height. Find the dimensions of the box
height- 4
width- 2
Mrs. Hoinowski's market records the prices of cans of corn at other local supermarkets: ($.49, $.49, $.59, $.39, $.49, $.39, $.49, $.59)
Find the Mad.
.05
8m^3 - 24m^2 +18m
2m(2m+3) (2m-3)
Use elimination to solve: x+y=4 and x-y=7.
(11/2, -3/2)
TRUE OR FALSE: Linear equations are not functions.
FALSE
GARDENING: The length of a rectangular garden is 5 feet longer than its width. The garden is surrounded by a 2-foot-wide sidewalk. The sidewalk has an area of 76 square feet. Find the dimensions of the garden
5 by 10
Find the standard deviation of the set of data: (13, 12, 24, 8, 7, 11, 11, 28, 19, 14)
About: 6.51 (if you got it wrong: find mean, find square difference between each value and the mean, find the sum of the values, divide by sum of the values, take the square root)
Factor: x^3 + 3x^2 -4x - 12
(x+3) (x+2) (x-2)
What are the first 15 digits of pi, without a calculator?
3.14159265358979
What is the equation for these two points? (2, 7) (80, 241)
Y=3x+1
Simplify: 5n^2(n-6)-2n(3n^2+n-6)+7(n^2-3)
The answer is: -n^3-25n^2+12n-21
What is the mean, median, mode, and range of the set of data: (5,8,11,13,18,21,21,25,26,27)
(Mean: 17.5) (Median: 19.5) (Mode: 21) (Range: 22)
Factor the polynomial: 8n^2- 36n + 40
4(n-2)(2n-5)
A trail mix that costs $2.45 per pound is mixed with a trail mix that costs $2.30 per pound. How much of each type of trail mix must be used to have 30 pounds of a trail mix that costs $2.35 per pound?
(10,20)