Scientific Notation
when you have common exponents on the ten add/subtract the coefficients and do what with the exponents
keep them the same
What is the word that means "a type of transformation in which you FLIP a figure across a line"
Reflection
define the word "a collection of two or more equations containing the same variables"
System of Equations
what are complementary angles
Two angles that have a sum of 90 degrees
what does volume mean
The amount of space inside a 3D figure
which number is written in scientific notation:
A. 2x10-4
B. 0.9x103
C. 8x52
D. 10x5-6
A is the correct answer
what word defines "a type of transformation in which you turn a figure around a fixed point"
Rotation
what is the solution to a system of equations
Values for each of the variables that will satisfy every equation in the system (on a graph the solution is the point of intercept)
what word goes with " Two angles that have a sum of 180 degrees"
Supplementary angles
what is the area of a circle
A= PIr2
put the number 4.130,000,000 into scientific notation
4.13x109
When reflecting over the y-axis, what happens to the x-axis and the y-axis
the x-axis changes and the y-axis stays the same
what does no solution mean on a graph
parallel
a triangle has angle measures in the ration of 1:2:3. What is the measure of each angle of the triangle
30, 60, 90
how do you find the volume of a cylinder
v=PIr2h
5x103+ ? = 7.5x104
? = 7x104
Triangle XYZ is translated 4 units up and 2 units left. If the pre-image has vertices x(1,6) y(2,8) z(4,-3), what are z', y', and x'
x' (-1,10)
y' (0,12)
z' (2,1)
Triangle FGH is similar to triangle JKL. F and J are corresponding angles. F and J are also supplementary angles. Which term best describes FGH and JKL
Right angles
true or False
if you know the radius of a cone you can find its volume
true
(8.2x103)(3.61x10-3)= ?
?= 2.9602x103
The coordinate mapping when D(-5, 4), E(-4, 1), and F(-2, 1) are translated to D'(-5,0), E'(-4, -3), and F'(-2, -3).
What is (x, y)-->(x, y-4)?
what are the steps to system of equations
1. solve one of the equations for x or y
2. substitute the expression into the the other equations and solve for the variable
3. substitute the value found in step two into either of the original equations
4. write your answer as an ordered pair
True or False
M<F+M<E+m<FJE= 180 degrees
True
a large water fountain is composed of a hemispherical. One cubic foot holds about 7.5 gallons. how many gallons, to the nearest whole gallon, are needed to fill the bowl
8,038