Vocabulary
Multiplication property of Equality
when we multiply both sides of an equation by the same number, the two sides remain equal
x - 2 = 4
6
19 - 4c = 17
c = 1/2
12(3w - 3) = 6w
w =2
P = 2w + 2L, solve for w
w= (P-2L)/2
What is Mr. DeVille's favorite EPL, MLS, and International teams?
Arsenal, Timbers, France
Division Property of Equality
divide both sides of an equation by the same non-zero number, the two sides remain equal.
(5/6) = (1/3) + d
(1/2)
5 + 1.5 (2d -1) = (1/2)
d= -1
3(g - 7) = 2 (10+g)
g = 41
A = 1/2 bh, solve for h
h= 2A/b
What is Mr. DeVille's son's names?
Francis, Patrick, Nicholas
Inverse
Opposite
6 = (-w/8)
-48
For a rhombus with angles a, 2a, 2a, and a, find the measurement of each angle.
A rhombus will always add up to 360 degrees
60, 120, 120, and 60
5(p+6) = 8p
p =10
C = (5/9) (F - 32), solve for F
F = (9/5)C + 32
How old is Mr. DeVille?
36
Literal Equation
Equations with more than one letter. This may be an equation made entirely of letters.
4pi d = 20pi
21(2-x) + 12x = 44
-2/9
6 (5 - 2v) = -4 (3v + 1)
no solution
If A=1/2 bh, and the area of a triangle is 54 inches with a base of 12 inches, what is the height
9 inches
What is Mr. DeVille's favorite color?
Teal
Formula
A mathematical relationship showing how variables relate to one another
For a Triangles with angles measuring 42 degrees, 88 degrees and x, find x.
50 degrees
For a 5-sided figure with angles measuring b, (3/2)b, b+45, 2b-90, and 90, find b
5-sided figures always have internal angles adding up to 540
b = 90
1.8 + 7n =9.5 - 4n
n= 0.7
S = 2(pi)r2 + 2(pi)rh, solve for h
h = (s-2(pi)r2) / (2(pi)r)
What is my favorite sport?
Soccer