SAT Glossary: Key Terms and Definitions
- $f(x+2)$ vs. $f(x)+2$
- Degree
- Factor Theorem
- Forbidden values
- Inscribed angle
- Joint probability
- Margin of error
- Negative reciprocal (and the multiply-to-$-1$ check)
- Pythagorean identity
- Special right triangles (45-45-90, 30-60-90)
- Successive percentages
- Inversion
- Associated (vs. caused)
- Axis of symmetry
- Domain
- Inside vs. outside (transformation rule)
- Laws of exponents
- Residual
- Solution trichotomy
- Command of evidence (quantitative)
- Connotation
- Dangling modifier
- Escalation (indeed / in fact)
- Addition rule
- Complement rule
- Factored form (of a quadratic)
- Growth factor
- Inverse function
- Leading coefficient
- Multiplication rule for independent events
- Negative exponent
- Point-slope form
- Rational exponent
- Resistant measure
- Vertex
- Comma splice
- Dependent (subordinate) clause
- Essential vs. non-essential material
- Illogical comparison
- Matched-pair rule
- Box plot
- Cancel factors, never terms
- Cofunction identity
- Composition of functions
- Extraneous solution
- Master form ($A_0 b^{t/p}$)
- Mean-versus-median skew inference
- Principal square root
- Standard form
- Vertex form (of a quadratic)
- Command of evidence (textual)
- Intensity (constraint)
- Logical relation (constraint)
- Absolute value
- Angle inscribed in a semicircle
- Arc length
- Completing the square
- Correlation is not causation
- Difference of squares in disguise
- Discriminant as intersection counter
- Multiplicity
- Non-commutativity of composition
- Random assignment vs. random sampling
- Sampling variability vs. sampling bias
- Tangency
- Misplaced modifier
- Extrapolation vs. Interpolation
- Function notation
- Histogram
- Isolate, then square
- Line of best fit
- Quadratic formula
- System trichotomy
- Three forms of a quadratic
- Indefinite pronoun number
- Logical comparison
- Angle-angle (AA) similarity
- Area ratio of similar figures
- End behavior
- Exponential function
- Interquartile range (IQR)
- Multiplicity (Odd Crosses vs. Even Bounces)
- Observational study
- Reverse percentage
- Conjunctive adverb
- Finite verb
- Independent clause
- Main purpose
- Clearing the denominators
- Conditional probability
- Discriminant
- Frequency weighting
- Isolating a quantity
- Percent change
- Slope-intercept form
- Standard deviation
- Standard form of a circle
- Weighted mean
- Ambiguous antecedent
- Idiomatic preposition
- Inference
- Run-on
- Words in Context
- Wrong Referent
- Parenthetical compound (as well as / along with)
- Percentage points vs. percent
- Parallelism
- Rhetorical synthesis
- Pronoun case (subjective vs. objective)
- Polarity (constraint)
- That vs. which
- Subject–verb agreement
- Transition
- Necessary/sufficient distinction
- Non-finite form
- Past perfect (had + past participle)
- Plural vs. possessive
- Proximity rule (or / either…or / neither…nor)
- Redundancy family
- Register (constraint)
- Semicolon–period equivalence
- Subordinator
- Secondary-definition mechanism
- Text structure
- Problem Solving & Data Analysis
- Sine, Cosine, and Tangent Mnemonic (SOH-CAH-TOA)
- Expression of Ideas
- Part-to-Whole Ratios
- Information & Ideas
- Geometry & Trigonometry
- Converting Mixed Numbers
- Translating “Less Than”
- Interpreting Skewed Distributions
- Angles Formed by a Transversal
- Overstated Conclusion
- Conditional Percentages in Two-Way Tables
- Sign Changes When Rearranging Equations
- Eliminating a Variable
- Unit Conversion
- Contrast and Shift Words
- Unnecessary Punctuation
- Multiple Valid Solutions
- Standard English Conventions
- Coordinating Conjunctions: For, And, Nor, But, Or, Yet, So (FANBOYS)
- Percent as a Rate per Hundred
- Craft & Structure
- Advanced Math
- Finding Intercepts by Substitution
- Slope as Rate of Change
- Parameters in Equations
- Checking Equivalent Expressions by Substitution
- Algebra
- Distinguishing Linear and Exponential Models
- Division Restrictions and Lost Solutions
- Recognizing Circle Equations
- Principal Square Roots and Equation Solutions
- Answering the Exact Question