 | Term | Definition |
| |
commutative prop of + |
a + b = b + a |
| |
associative prop of + |
a+(b+c) = (a+b)+c |
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distributive prop |
3 (x + 2) = 3 x+ 6 |
| |
reflexive prop |
a = a |
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symmetric prop |
a=b then b=a |
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transitive prop |
a=b, b=c then a=c |
| |
commutative prop of x |
a(b) = (b)a |
| |
additive inverse |
- 3 + 3 = 0 |
| |
multiplicative inverse |
3 (1/3) = 1 |
| |
additive identity |
a + 0 = a |
| |
multiplicative identity |
a x 1 = a |
| |
evaluate |
find the value(number) |
| |
quadratic function |
f(x)=ax^2+bx+c |
| |
square root |
a number that when multiplied by itself equals a given number |
| |
linear |
a line |
| |
radicand |
The expression under the radical |
| |
irrational numbers |
numbers that CAN NOT be expressed as fractions |
| |
variable |
a quantity that can assume any of a set of values |
| |
solutions |
x-intercepts |
| |
product |
multiplication |
| |
sum |
addition |
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difference |
subtraction |
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quotient |
the number obtained by division |
| |
matrix |
rectangular arrangment of numbers surrounded by [ ]'s |
| |
scalar |
number multiplied by( with matrices) |
| |
constant of variation |
what the k is in the equation y = kx (slope) |
| |
direct variation |
y=kx (Line that goes thru the origin) |
| |
parallel lines |
two lines that never meet |
| |
function |
no repeating x values or passes vertical line test |
| |
function notation |
f(x) ( f(x)= can be replaced with y=) |
| |
origin |
(0,0) |
| |
slope |
rise / run or y2 - y1 / x2 - x1 |
| |
slope-intercept form |
y=mx + b |
| |
perimeter |
add the sides |
| |
area of a rectangle |
multiply length and width |
| |
y = b |
horizontal line |
| |
x = a |
vertical line |
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absolute value |
|-5|=5 |
| |
GCF |
greatest common factor |
| |
domain |
x's |
| |
range |
y's |
| |
ordered pair |
(x,y) |
| |
mean |
average |
| |
mode |
most often (may be more than one answer) |
| |
median |
middle |
| |
quartiles |
divide data into 4 equal parts |
| |
statistical range |
highest - lowest |
| |
zeros |
x-intercepts |
| |
negative exponents |
move it and lose it |
| |
(xyz)^0 |
Always 1 |
| |
m |
slope |
| |
b |
y-intercept |
| |
FOIL |
multiply First Outer Inner Last |
| |
factor |
undo multiplication |
| |
y^3 multiplied by y^4 |
y^7 |
| |
(y^3) raised to the 4th power |
y^12 |
| |
undefined |
slope of a vertical line |
| |
slope of a horizontal line |
0 |
| |
set notation |
{ -2,-2,0,3} |
| |
distance travelled |
rate multiplied by time |
| |
money earned (paycheck) |
pay rate multiplied by time |
| |
3 x 10^-5 |
scientific notation for a number less than 1 |
| |
3 x 10^5 |
scientific notation for a number >= to 1 |
| |
> |
greater than, open dot, dashed line |
| |
< |
less than, closed dot, dashed line |
| |
order of operations |
PEMDAS |
| |
perfect squares |
1 4 9 16 25 36 49 64 81 100 121 144 169 196 225 |
| |
simplify radicals |
no perfect squares under radical sign |
