Circles and Composite Shapes
What is the formula for circumference of a circle?
C = pi * d
OR
C = 2 pi * r
We solve scale factor questions by setting up and solving a _______________.
Proportion
A polynomial with three terms is called a ______.
Trinomial
GCF stands for __________.
Greatest common factor
Explain the three parts to the product rule.
-Keep base
-Add exponents
-Multiply coefficients
What is the formula for area of a rectangle?
A = b * h
When solving scale factor questions, it's always important to make a ______ so that you know what quantity goes where.
Key
When subtracting polynomials, you must always ________ the minus sign in the middle to the polynomial that appears after the operation.
Distribute
TRUE or FALSE:
GCF's can include variables
TRUE
Explain the three parts to the quotient rule.
-Keep the base
-Subtract the exponents
-Divide the coefficients
What is the formula for area of a circle?
A = pi * r^2
The scale for a blueprint is 1 cm = 5 miles. How long will 5 cm be in miles?
25 miles
TRUE or FALSE:
Like terms have the same coefficient and exponent.
FALSE
TRUE or FALSE:
The inverse of factoring is solving.
FALSE
Explain the three parts to the power rule.
-Keep the bases
-Multiply the exponents
-Raise the coefficients to the outside power
What is the formula for area of a triangle?
A = (1/2)b * h
The scale for a blueprint is 2 cm = 9 miles. How long is 27 miles in cm?
6 cm
(3x + 5) + (15x - 7)
18x - 2
Factor:
16x + 36
4(4x + 9)
(3x5y3)(-5x2y7)
-15x7y10
What is the perimeter of a circle called?
Circumference
The scale for a blueprint is 4 cm = 30 miles. How long is 16 cm in miles?
120 miles
What is the degree of the polynomial?
The highest exponent in the polynomial.
Factor:
-9xy + 54x
9x (-y + 6)
OR
-9x (y - 6)
(-3a4)3
-27a12