bell quiz. objectives learn to write equations in slope-intercept form
TRANSCRIPT
Bell Quiz
Objectives
• Learn to write equations in slope-intercept form.
Slope-Intercept Form
• The slope-intercept form of a linear equation can be used to graph lines quickly because it gives information about the characteristics of the graph of the equation.
Example 1Determining the Slope and y-intercept of a line
Determine the slope and the y-intercept of the equation.
y = 3x – 4
Lesson Practice 1
Determine the slope and the y-intercept of the equation.
y = 7x – 8
Example 2Determining the Slope and y-intercept of a line
Determine the slope and the y-intercept of the equation.
2x + 3y – 9 = 0
Lesson Practice 2
Determine the slope and the y-intercept of the equation.
– 9x + 3y = 12
Solution of an Equation in Two Variables
• The solution of an equation in two variables is an ordered pairs that satisfies the equation.
• Solution of equations in two variables can be represented in a table of values or as a graph on a coordinate plane.
Example 3Graphing an Equation of a Line in Slope-Intercept Form
Graph the line using the equation that is in slope-intercept form.
Lesson Practice 3
Graph the line using the equation that is in slope-intercept form.
Example 4Graphing an Equation of a Line in Slope-Intercept Form
Graph the line using the equation that is in slope-intercept form.
Lesson Practice 4
Graph the line using the equation that is in slope-intercept form.
Example 5Writing the Equation of a Line from a Graph
Write the equation of the graphed line in slope-intercept form.
Lesson Practice 5
Write the equation of the graphed line in slope-intercept form.
Example 6Writing the Equation of a Line from a Graph
Write the equation of the graphed line in slope-intercept form.
Lesson Practice 6
Write the equation of the graphed line in slope-intercept form.
Example 7Calculating rental Rates
Monica is helping prepare a budget for her family vacation. The family has decided to rent canoes for a day on the lake. The rental for a canoe is a $25 flat fee plus $10 per hour. Write and equation in slope-intercept form to represent this situation and then graph it
Solution
Lesson Practice 7
Practice Problems 1
Practice Problems 2
Practice Problems 3
Practice Problems 4
Practice Problems 5
Practice Problems 6
Practice Problems 7
Practice Problems 8
Practice Problems 9
Practice Problems 10