Transformations
Transformation when a figure "flips" over a line.
What is a reflection
Definition of the word percent
What is "per hundred"
The formula for the area of a circle.
What is A=
pir^2
"Term" in an algebraic expression
a part separated by + or -
PEMDAS stands for this
Parentheses, Exponents, Multiplication, Division, Addition, Subtraction
Kind of translation that "slides" a figure without turning or flipping
Write a proportion to find 25% of 60.
What is 25/100 = x/60
Find the area of a circle with a radius of 3
what is approximately 28.26
An algebraic expression with two terms
Binomial
Simplify:
(-3)+4-5
-4
This transformation "turns" a figure around a point
What is a Rotation?
15% of what number is 45
What is 300?
How many degrees are in the interior angles of a hexagon?
720 degrees
Simplify: 3x + 4x - 2
7x - 2
Family of numbers that includes fractions and decimals?
What are Rational Numbers
Transformation that changes the size but NOT the shape of the figure
What is a dilation?
In a restaurant, 30% ordered a salad and 70% did not. If 21 did not order a salad. What is the total number of customers?
What is 30.
The sum of all exterior angles of any polygon equals________.
What is 360 degrees
Solve:
4/5x = 10
x=12.5
Write all integer numbers BETWEEN -3 and 3
-2, -1, 0, 1, 2
True or False: A dilation creates a figure that is congruent to the orginial.
False: It is similar NOT congruent
if 16 is 40% of a number, what is the number?
What is 40.
Covert 2500 cm2 to m2
0.25 m2
Solve for x:
1 1/2x = 12
x = 8
Express as a single power of 10
10^3 times10^4
What is 107