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# Math Terms

### State Assessment Math Terms

Commutative Property of Addition a + b + c = b + a + c
Commutative Property of Multiplication abc = bac
Associative Property of Addition (a + b) + c = a + (b + c)
Associative Property of Multiplication (ab)c = a(bc)
Distributive Property 4(x + 2) = 4x + 8 and (3 – x)2 = 6 – 2x
Substitution Property if x = 10 then 5x = 50
Identity Property of Addition 5 + 0 = 5
Identity Property of Multiplication 7(1) = 7
Inverse Property of Addition 6 + (-6) = 0
Inverse Property of Multiplication 3(1/3) = 1
Symmetric Property if a = b then b = a
Addition and Multiplication Property of Equality if a = b then a + 5 = b + 5
Addition and Multiplication Property of Inequality if a < b then 3a < 3b
Zero Product Property If ab = 0 then a = 0 or b = 0 and (x-5)(x+2)=0 then x = 5 or x = -2
Estimate to calculate approximately
Volume the region of space a three-dimensional object takes up
Surface Area the sum of the areas of each of the sides of a three-dimensional object
Percent number divided by the total, (times 100) move the decimal two places to the right
Coefficient of x the slope when an equation is in slope-intercept form
Constant the y-intercept when an equation is in slope-intercept form
Linear Inequality has many solution, has no exponents
x-intercept where the y coordinate equals 0, where the graph crosses the x axis
y-intercept where the x coordinate equals 0, where the graph crosses the y axis
Solutions points that satisfy an equation or inequality
Points on the Line solutions for the equation
Pythagorean Theorem a2 + b2 = c2
Perimeter the measure of the outside boundaries of a two-dimensional shape
Scale Factor the ratio of corresponding sides of similar figures
Parallel Lines lines that have the same slope
Perpendicular Lines lines that have a negative reciprocal slope
Slope-Intercept Form y = mx + b, where m is the slope and b is the y-intercept
Probability favorable over total
Odds favorable over unfavorable
Outliers numbers that are out of range of the group
Measures of Central Tendency mean, mode and median
Line of Best Fit a line given from a scatter plot that estimates the equation
Prediction to make an educated guess about a future value
Range from data set, the difference of the highest number and the lowest number
Created by: nashj