Transformations
The image is a larger or smaller version of the preimage; "shrinking" or "enlarging."
Dilation
what type of number is 1.9
Rational
−3 + 5a = 4a − 10
-7
formula for interest rate
I=PRT
-4x5
-20
"a turn."
Rotation
Is 58/2 natural or not
Yes
4r + 8 + 5 = −15 − 3r
-6
slope formula
y2-y1/x2-x1
or
rise/run
-285x-900
256215
clockwise and counterclockwise rotation:
(x,y) becomes (−x,−y)
180 degrees
All rational numbers are integers ?
False
4n − 1 = 6n + 8 − 8n + 15
4
Pythagorean theorem
a2+b2=c2
Free
300x2
which axis is the formula reflecting over ?
(x,y)-->(x,-y)
Over the x-axis
consist of the natural numbers and 0. 0, 1, 2, 3, 4, . . .
Whole Numbers
36 + 5n = −3(n + 4)
-6
Lateral Surface area of Cylinder
2 × π × r × h
how many quarts are in 3 gallons
12
what is the scale factor
D (0,4) becomes D' (0,8)
E (1,-2) becomes E' (2,-4)
F (-4,2) becomes F' (-8,4)
2
The integers consist of the natural numbers, 0, and the opposites of the natural numbers.
True or False?
True
−2k = k − 7 − 8
5
Compound Interest Formula
A=P(1+r)t
Free
500