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Chapter 6: Section 4 Point-Slope Form
The formula Point-Slope Form The point: (x 1, y 1 ) Slope: m
Use it When should we use this formula? –When you have a point and the slope! Write the equation of the line that has a slope, m = 3/4, and goes through the point, (2, -1)
Write the equations of the following lines in point-slope form 1. point: (3, 4); m = point: (-2, 0); m = -2/5 3. point: (0, 4); m = 1
Put the previous three linear equations into slope-intercept form
Can you get point slope from just two points? 1. (2, 3) and (1, 5) 2. (-4, 1) and (0, 6)
Assignment Page 308 –Numbers: 3-36 multiples of 3 –Number: 60
2.4 Writing the Equation of a Line. Review of Slope-Intercept Form The slope-intercept form of a linear equation is y = mx + b. m represents the slope.
Bellringer. Chapter 6: Section 2 Slope-Intercept Form.
Warm up 1.Graph the equation of the line using slope & y-intercept 4x – 2y = 10.
Objective The student will be able to: 1) write equations using slope-intercept form. 2) identify slope and y-intercept from an equation. Designed by Skip.
Writing Linear Equations Using Slope Intercept Form.
Students will: 1) write equations using slope-intercept form (y = mx+b). 2) identify slope and y-intercept from an equation, or points. 3) interpret slope.
Algebra II Chapter 2 Section 3 Direct that Variation.
CST W ARM -U P : 10/22/ SLOPE-INTERCEPT FORM OF A LINE.
Slope and y-intercept. Lines have both slope (m) and a y-intercept (b). Slope describes the steepness of the line as well as its direction. Positive.
Bellringer. Chapter 6: Section 5 Parallel and Perpendicular Lines.
One method of graphing a linear equation is to construct a table of values. Example: Consider the equation y = 2x + 3 xy When x = 0, y =
WRITING AN EQUATION OF A LINE DETERMINE THE EQUATION OF A LINE AND/OR GRAPH A LINEAR EQUATION.
Writing Equations of a Line. Various Forms of an Equation of a Line. Gradient-Intercept Form Standard Form Point-Gradient Form.
Slope Problems. Slope Problem Examples Determine a value for x such that the line through the points has the given slope. Let's use the slope formula.
Holt Algebra Slope-Intercept Form Warm Up Find each y-intercept. 1. y = 3x x – 3y = 12 Find each slope x + 2y = x + 2 = 6y.
SYSTEMS OF LINEAR EQUATIONS Solving Linear Systems Algebraically.
WARM UP 1. Explain how to graph a linear equation written in slope-intercept form. 2. Explain how to graph a linear equation written in point-slope form.
Slope is… Steepness of a line, m, rise, change in y, common difference run change in x Positive Slope:Negative Slope: Zero Slope:Undefined Slope:
Holt Algebra Point-Slope Form Warm Up Find the slope of the line containing each pair of points. 1. (0, 2) and (3, 4) 2. (–2, 8) and (4, 2) 3. (3,
Parallel & Perpendicular Slopes II Unit 6. Warm Up Which of these lines are parallel? Why? Which are perpendicular? Why? a) y = 2x + 3 b) y = 2x + 3 c)
AIM: How do we find slope and y-intercept of a line if it is not in y = mx + b form? Do Now: Do Now: Identify the slope and y-intercept of the following.
Y x Objective - To graph linear equations using the slope and y-intercept. x Complete the table and graph y-intercept b = -1 Slope-Intercept.
4.7 Graphing Lines Using Slope Intercept Form Goal: Graph lines in slope intercept form.
From Standard Form To Slope-Intercept Solving Equations for “y”
Graphing Lines How To Find THE SLOPE of a Line Given Two Points How To Find THE SLOPE of a Line Given Two Points.
First let’s review 5.1 Write the equation in slope-intercept form, given m = 3 ang b = (0,-2) Example m = 3, b = (0,-2) y = __ x + ___ y = mx + b.
Graphing Linear Inequalities in Two Variables. Graphing Linear Inequalities The graph of a linear inequality in two variables is the graph of all solutions.
3.4 Finding an Equation of a Line. Point-Slope Form y – y 1 = m(x – x 1 ) (x 1, y 1 ) represent a point on the line m represents the slope To graph a.
Working with Parallel and Perpendicular Lines Adapted from Walch Education.
6.5 Graphing Linear Inequalities. Graphing Linear Equations A linear equation can be written in either ________________ Or in_____________ To graph we.
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