What's The Trends
x y
1 8
2 10
3 2
4 6
No trend
Put 15, pi, and 7 in order from least to greatest
pi, 7, 15
What is the Transformation called when x -> x+5 and y -> y-3
Translation
What is the name of the longest leg of a right triangle
Hypotenuse
See drawing
Positive Trend
Which is the greatest?
sqrt(2), 2, 22, sqrt(16), sqrt(17), cubic rt(64)
sqrt(17)
(x,y) -> (-y,x) is a 90-degree rotation which way?
counter-clockwise
What is the formula for Pythagorean Theorem if we know a and c?
b2 = c2 - a2
x y
1 1
2 4
3 9
4 16
Positive Trend
Which is the least?
sqrt(2), 2, 22, sqrt(16), sqrt(17), cubic rt(64)
sqrt(2)
how many degrees clockwise is a rotation of
(x,y) -> (-y,x)
270 degrees
if a = 18 and b = 24, what is c?
30
See Drawing
No Trend
which of these is not a real number?
sqrt(-1), sqrt(2), sqrt(4), 4, 64, cubic rt(125)
sqrt(-1)
What transformation brings about a change from
(x,y) -> (x,-y)
Reflection over the x-axis
If a = 5 and c = 13, what is b?
b = 12
x y
1 18
3 9
5 0
Negative Trend
Which of these numbers is real, but not rational?
sqrt(-1), sqrt(2), sqrt(4), 4, 64, cubic rt(125)
sqrt(2)
What Transformation brings about the change
(x,y) -> (-x,-y)
Reflection across the origin or 180 degree rotation
Jane sits atop a 20-foot ladder, which rests against her house 16 feet in the air, how far from her house is the ladder's base?
12 feet