Which transformation changes the size of the figure?
Dilation
True or false: we learned about slicing figures in 8th grade.
false
Transcribe the verbal phrase
six less than the product of a number and 2
2n-6 OR (2 x n) - 6
√20
is between what two integers?
4 and 5
Name the angle relationship.
same side interior
co-interior
Define Bivariate
two variables
What is the slope formula?
(y_2-y_1)/(x_2 -x_1
Solve for x:
5x+2x+9=23
x=2
give an example the measurements of a triangle that is a right triangle
Teacher check
The vertices of a rectangle are (0,0), (0,4), (2,4), (2,0). Name all 4 of the vertices for the image produced by a dilation with a scale factor of 1/2.
What is (0,0), (0,2), (1,2), (1,0) ?
How do you know where to place a line of best fit?
1. an appropriate initial value
2. a line that falls down the middle of the trend
Write the equation of a line with a slope of
-2/3
and a y-intercept of
-10
, in standard form.
y=-2/3x-10
If the perimeter of a square is 12 feet, find the approximate length of the diagonal.
What is 4.2 feet?
Corresponding angles are _____________
* Congruent
* in the same spot
What 3 questions do we ask ourselves when analyzing a scatter plot?
1. is there a correlation?
2. Is it linear?
3. is it positive or negative?
Rearrange the equation into slope-intercept form
3x-7y=21
y=3/7 x-3
Compute the volume. Do not leave your answer in terms of pi.
603.19
The following is the equation for the line of best fit for a scatterplot: y=-2x + 4 Based on this line, the scatterplot has a ______________ correlation.
What is negative?
A rental company charges a flat fee of $50 to rent a jet ski. In addition, renters must pay $17.50 per hour of ski use. Write an equation for the total cost (c) to rent a jet ski for h hours.
What is c = 17.50h +50.00 ?