Evaluating Functions and Linear Concepts

The video tutorial explains how to graph functions on a coordinate plane, starting with the linear function y = x + 1. It demonstrates plotting points by substituting values for x and finding corresponding y values, resulting in a straight line. The tutorial then explores the quadratic function y = x^2, showing how it forms a parabola. The importance of understanding graphing for exams is emphasized.

What is the function y = x + 1 an example of?

• Quadratic function

• Logarithmic function

• Linear function

• Exponential function

What is the purpose of a coordinate plane?

• To solve equations

• To plot points, lines, and curves

• To calculate derivatives

• To find integrals

What is the y-value when x = 0 for the function y = x + 1?

• 0

• 3

• 1

• 2

How many points are generally needed to draw a straight line?

• One

• Two

• Three

• Four

What is the y-value when x = -1 for the function y = x + 1?

• 0

• -2

• -1

• 1

What shape does the graph of y = x + 1 form?

• Parabola

• Circle

• Straight line

• Ellipse

What is the degree of the function y = x + 1?

• Zero

• One

• Two

• Three

What is the function y = x^2 an example of?

• Quadratic function

• Logarithmic function

• Linear function

• Exponential function

What is the y-value when x = 0 for the function y = x^2?

• 0

• 1

• 2

• 4

What shape does the graph of y = x^2 form?

• Ellipse

• Circle

• Parabola

• Straight line