Transformations
What is the center point of a coordinate plane (0,0) called?
Origin
What is the radius?
The radius is the measurement from the origin of a circle (the center point) to the outside of the circle. The radius is half the diameter
What is the mode in this data set?
11,13,16, 11, 35, 13, 13
13
1/4 + 1/4=?
1/2 or 2/4
8s=16 what does s=
s=2
If you have a line segment S and G with points at S(3,5) and G(5,2) and a reflection across the x axis occurs where are the points
S'(3,-5) G'(5,-2)
If the diameter of a circle is 22in. What is the radius?
The radius is 11in
must have units
What is the meaning of mean?
The mean is the average in a data set after you have added all your numbers then divided by the number of entries.
Which one is the greatest
0.06%
0.006
6/10
6/10
What does the variable equal 7a+13=34
a=3
If you make a dot a (-4,3) and it ends up at (3,-2) what is the rule and what kind of transformation has occurred
x+7 y-5 Translation
What is the area of Savanna's barn
the length is 48ft
the width is 36ft
1728ft2
Is there an outlier in this data set? If so , what number?
Data set: 13, 11, 16, 23, 175, 35, 12, 21, 33, 19
Yes, 175
What is 4/5 as a percent and a decimal
80% 0.8
What is the coefficient?
The coefficient is the number that is attached to the variable. Example 13s+4 13 is the coefficient
If you have a square with the following points
A (1,4)
B(3,4)
C(1,2)
D (3,2)
The square goes through the following transformations A translation of (x-7, y-5) then a reflection over the y axis
the points should be at
A'''(6,-1)
B'''(4,-1)
C'''(6,-3)
D'''(4,-3)
If a triangle has the base of 13m and the height 16m what is the area?
104m2
What is the range in this data set?
35,21,19,175,11,84
164
What is the chance Savanna gets to go to Australia before she has to pay for it on her own?
The deal is if her mother wins the lottery they go for a month. The chance of winning the lottery are 1 in 28 million what is the percent
0.0000036%
What are the parts of a simple algebra question? Explain each part thoroughly. (there are three)
The coefficient is the number attached to the variable
The Variable is a lowercase letter or symbol in place of a number which is unknown
The Constant Is the number in the equation that is not attached directly to any other numbers or symbols
What are the rules for rotating shapes? State all listed below
Clockwise: 90, 180, 270
Counterclockwise: 90, 180, 270
Clockwise: 90 (x,y) - (y,-x) 180 (x,y)-(-x,-y) 270 (x,y) (-y,x) Counterclockwise 90 (x,y)-(-y,x) 180 (x,y)- (-x,y) 270 (x,y)-(y,-x)
If you have a square with the width of 20m and a triangle on top with the height of 14m. What is the total area of the shape?
540m2
What is the mean, median,and mode of this data set
24,36,66,23,16,11,20
mean 28
median 23
mode none
If Joe has 4 2/3 of milk left will he have enough to make a cake which needs 1 4/8, a batch of cookies which needs 2 cups and 1 cup for his breakfast then he needs 1/4 for his morning coffee. Will Joe have enough milk?
Yes he has enough. He can milk his cow Betty tomorrow.
If a tree grows 3cm each day and started at 35cm what would the algebraic equation be after any number of days?
35+3t