Linear and Nonlinear
Equations
Integration
Differentiation and Marginal Functions
Econ Terms
Matrices
100

The change in the value of y when x increases by 1 unit.

What is the slope of a line/gradient?

100

Another term for integral.

What is the anti-derivative?

100

The derivative of f(x)=x^8.

What is f'(x)=8x^7?

100

A pair of goods consumed together.

What are complementary goods?

100

A matrix with one column.

What is a column vector?

200

A logarithm to base e.

What is the natural logarithm, ln?

200

The integral of 6x^5.

What is x^5+c?

200

The derivative of ln(x).

What is 1/x?

200

A good whose demand decreases as income increases.

What is an inferior good?

200

An nxn matrix in which every element on the main diagonal is 1 and the other elements are all 0.

What is an identity matrix?

300

A representation of a number which is written using powers.

What is exponential form?

300

The integral of 1/x.

What is ln(x)+c?

300

The derivative of y=3/x.

What is dy/dx=-3/x^2?

300

The inputs to the production of goods and services: land, capital, labour and raw materials.

What are factors of production?

300

The matrix obtained from a given matrix by interchanging rows and columns.

What is the transpose of a matrix?

400

The simplified form of (xy^2)^3.

What is x^3y^6?

400

The total revenue function, given the marginal revenue function is MR=20-2Q.

What is TR=20Q-Q^2?

400

A function is this when f"(x)<0.

What is concave?

400

Total revenue minus total costs.

What is profit?

400

A square matrix with a non-zero determinant.

What is a non-singular matrix?

500

The simplified form of log14-log7+2logx.

What is log(2x^2)

500

The term represented by the integral of the demand curve minus equilibrium price times equilibrium quantity.

What is consumer surplus?

500

The amount by which capital needs to rise to maintain a constant level of output when labour decreases by 1 unit.

What is the marginal rate of technical substitution?

500

Where the percentage change in demand is less than the corresponding percentage change in price.

What is inelastic demand?

500

The condition required to multiply two matrices, AB.

What is the number of columns of A must equal the number of rows of B?