Formulas
Slope=
Slope= Rise Over Run
What are the three forms of transformations we learned in unit 1.
Translation, Rotations, Reflection.
Scale factoring should always be what kind of math problem.
Multiplication
A proportionate line has a slope of 10. Write the equation of that line.
What is Y=10x
How many kids does Mr. Mosley have?
2
What is the Formula used to find the slope of a line using 2 points.
(Y2 - Y1)/(X2 - X1)
What it is called when a shape is flipped over the x or y axis.
What is a Reflection?
If my scale factor is a fraction, or is less than zero, what will happen to my shapes size.
The shape will get smaller.
For X and Y to have a proportional relationship what must happen?
It must pass through the organ.
The points must be in a straight line.
What is Mr. Mosley's Favorite Movie?
Finding Nemo
What is the formula we use to write the Equation of a line.
Y=kx
A translation is described by these two things.
What are direction and distance?
What are the two things we must have for shapes to be considered Similar.
Proportionate sidelights.
Congruent Corresponding Angles.
What is the slope of the line that passes through.
(-3,7) and (5,-3)
-10/8 or -5/4
How many kids does Ms. Sharp Have?
4
What formula can I use to determine if a point is on a line?
What is Y/X=Slope
A rotation can be described by these three things?
What are a center point, Direction, and degree?
A triangle with the dimensions of 15, 12, and 21 is dilated by the scale factor of 1/3 (1 over 3). What are the lengths of the triangle after the dilation.
5, 4, and 7
Complete the table, write the equation of the line.
x| 4 ? 5 3 ?
y|12 3 ? ? 60
x| 4 (1) 5 3 (20)
y|12 3 (15) (9) 60
What grade did Ms. Sharp Receive in Algebra.
What Is a D-
Name the 2 other word we use for "slope."
Constant, or rate of change.
If more than one transformation is required to move a shape to another shape that is called what?
What is a sequence of transformations.
A similar triangle with the angles measuring 85 degrees, 70 degrees, and 205 degrees is dilated to the scale factor of 3. What is the degrees of the biggest angle in the triangle after dialtion.
205 degrees
Write the equations of a line that passes through. (7,-4) and (9,10)
y=7x
Mr. Mosley has 4 pet turtles.
Boo Boo, Pooh Pooh, Turtle, Squirt