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Algebra Formulas. 1. Set identities. Definitions: I: Universal set. A’: Complement. Empty set: ∅. Union of sets.
Mean: Average. Median: Middle (put numbers in order and find middle) Mode: “Most” (number that appears the most) Q1: Quartile 1=Median of first half of data Q2: Quartile 2=Median of all data. Q3: Quartile 3=Median of second half of data.
Evaluating Expressions with Two or More Variables Worksheets. There are four sets of evaluate algebraic expressions worksheets: Examples, solutions, videos, and worksheets to help Grade 7 and Grade 8 students learn how to evaluate expressions with variables (substitute integers).
Distance Formula. Given two points, PA = (x1; y1) and PB = (x2; y2), the distance between the two can be found by: d(PA; PB) = p(x2. x1)2 + (y2 y1)2.
Exponent Rules. 1^ {a}=1 a^ {1}=a. a^ {0}=1\:,\: a\ne 0 0^ {a}=0\:,\: a\ne 0. (ab)^n=a^ {n}b^ {n} \frac {a^m} {a^n}=a^ {m-n}\:,\: m>n. \frac {a^m} {a^n}=\frac {1} {a^ {n-m}}\:,\: n>m a^ {b+c}=a^ {b}a^ {c} (a^ {b})^ {c}=a^ {b\cdot c} a^ {bx}= (a^b)^x.
Free equations calculator - solve linear, quadratic, polynomial, radical, exponential and logarithmic equations with all the steps. Type in any equation to get the solution, steps and graph.
