Virginia · VDOEQ&A
MathsQ&A by dot point
A short Q&A bank for every Virginia Maths syllabus dot point. Each question and answer is drawn directly from our worked dot-point page, so you can scan key concepts before opening the long-form answer.
Equations and Inequalities
- Solve absolute-value equations and inequalities in one variable, splitting into two cases and representing solution sets symbolically and on a number line (A.EI.3).3Q&A pairs
- Rearrange formulas and literal equations to solve for a specified variable, treating the other letters as constants and using inverse operations (A.EI.1).3Q&A pairs
- Solve multi-step linear equations in one variable, including equations with the variable on both sides and with rational-number coefficients, and classify an equation as having one solution, no solution, or infinitely many solutions (A.EI.1).3Q&A pairs
- Solve multi-step linear inequalities in one variable, represent the solution set on a number line and in interval notation, and interpret solutions in context, flipping the inequality when multiplying or dividing by a negative (A.EI.2).3Q&A pairs
- Solve systems of two linear equations in two variables by graphing, substitution, and elimination, and interpret one solution, no solution, or infinitely many solutions in context (A.EI.4).4Q&A pairs
- Graph systems of linear inequalities in two variables, identify the overlapping solution region, and determine whether a given point is a solution (A.EI.5).2Q&A pairs
Exponential and Comparing Functions
- Compare and contrast linear, quadratic, and exponential functions using tables, graphs, and equations, and determine which family best models a situation (A.F.2).2Q&A pairs
- Identify and interpret exponential functions of the form f(x) = ab^x from tables, graphs, equations, and contexts, including the initial value and the constant growth or decay factor (A.F.2).2Q&A pairs
- Model and interpret exponential growth and decay using the form y = a(1 + r)^t for growth and y = a(1 - r)^t for decay, and evaluate to solve real-world problems (A.F.2).2Q&A pairs
- Distinguish arithmetic from geometric sequences and use the explicit nth-term formulas to find terms and relate sequences to linear and exponential functions (A.F.2).3Q&A pairs
Expressions and Operations
- Determine whether two algebraic expressions are equivalent, and use equivalent forms (expanded, factored, or simplified) to reveal structure and interpret meaning (A.EO.6).4Q&A pairs
- Simplify expressions involving integer exponents using the laws of exponents, and represent and operate with very large or very small numbers in scientific notation (A.EO.2).4Q&A pairs
- Factor polynomial expressions in one variable: a greatest common monomial factor, trinomials of the form ax^2 + bx + c, perfect-square trinomials, and the difference of two squares (A.EO.5).3Q&A pairs
- Add, subtract, and multiply polynomial expressions in one variable, including multiplying binomials and applying special products (A.EO.4).2Q&A pairs
- Apply the order of operations and the properties of real numbers (commutative, associative, distributive, identity, and inverse) to simplify and evaluate numerical and algebraic expressions in one variable (A.EO.1).3Q&A pairs
- Simplify square-root and cube-root radical expressions involving numerical and monomial radicands, and convert between radical notation and rational-exponent notation (A.EO.3).2Q&A pairs
Functions
- Determine and represent the domain and range of a function from a graph, table, set of ordered pairs, or context, distinguishing discrete from continuous and reasonable domains in real situations (A.F.2).3Q&A pairs
- Determine whether a relation is a function from a table, graph, mapping, or equation, and use and evaluate function notation f(x) (A.F.1).3Q&A pairs
- Calculate and interpret the slope of a linear function as a rate of change from a graph, table, equation, or two points, and identify the meaning of slope and intercepts in context (A.F.3).2Q&A pairs
- Graph and analyze quadratic functions, identifying the vertex, axis of symmetry, intercepts, and direction of opening, and connecting standard, vertex, and factored forms (A.F.5).2Q&A pairs
- Write equations of linear functions in slope-intercept and point-slope form given a graph, a slope and a point, or two points, and apply the slope relationships for parallel and perpendicular lines (A.F.4).3Q&A pairs
- Identify and interpret key features of a function graph, including x- and y-intercepts, zeros, maximum or minimum values, and intervals where the function increases or decreases (A.F.1).3Q&A pairs
Quadratic Equations
- Solve quadratic equations by completing the square, and use completing the square to rewrite a quadratic in vertex form (A.EI.6).2Q&A pairs
- Solve quadratic equations using the quadratic formula, and use the discriminant to determine the number and nature of the real solutions (A.EI.6).3Q&A pairs
- Solve quadratic equations in one variable by factoring and applying the zero product property, and interpret the solutions as the zeros of the related function (A.EI.6).2Q&A pairs
- Solve quadratic equations of the form x^2 = k or a(x - h)^2 = k by taking square roots, including the plus-or-minus sign, and recognize when there is no real solution (A.EI.6).3Q&A pairs