Unit 5 Review: Investigating Linear Equation and Matrix

Front

What must be true in order to ADD two matrices?

Back

The dimensions must be equal.

Front

What is the objective function for maximizing profit in terms of x and y?

Back

P = 30x + 50y

Front

Which vertex maximizes the profit for the function P = 30x + 50y?

Back

(0,6)

Front

What is the feasible region in a system of inequalities?

Back

The area that satisfies all inequalities.

Front

How do you represent the constraint of making no more than 8 purses a week?

Back

x + y ≤ 8

Front

What is a linear equation?

Back

An equation that makes a straight line when graphed.

Front

What does the slope of a line represent in a linear equation?

Back

The rate of change of y with respect to x.

Front

What is the standard form of a linear equation?

Back

Ax + By = C, where A, B, and C are constants.

Front

What is a matrix?

Back

A rectangular array of numbers arranged in rows and columns.

Front

What is the determinant of a 2x2 matrix?

Back

For matrix [[a, b], [c, d]], the determinant is ad - bc.