PreCalc Mid Year Review

Front

What is the first number in Pascal's Triangle?

Back

1

Front

What is the definition of a system of equations?

Back

A set of equations with the same variables that are solved together.

Front

What is the solution to the system of equations: x + y = 5 and x - y = 1?

Back

(3, 2)

Front

What is the range of a function?

Back

The set of all possible output values (y-values) of a function.

Front

What is the definition of a function?

Back

A relation that assigns exactly one output for each input.

Front

What does it mean for a function to be increasing?

Back

The function's output values rise as the input values increase.

Front

What is the formula for the slope of a line?

Back

m = (y2 - y1) / (x2 - x1)

Front

What is the vertex of a parabola?

Back

The highest or lowest point on the graph of a quadratic function.

Front

What is the quadratic formula?

Back

x = (-b ± √(b² - 4ac)) / (2a)

Front

What is the definition of a linear function?

Back

A function that graphs to a straight line, typically in the form y = mx + b.