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Review for Ch 6A Test
What is the slope-intercept form of any linear equation?
What does “m” stand for in the slope-intercept form of a linear equation?
What does “b” stand for in the slope-intercept form of a linear equation?
y = 2 x + 4 Where is the y-intercept?
y = 2 x + 4 What is the slope?
y = 6 x + 23 What is the slope?
y = ¼ x + 6 What is the y-intercept?
y = ¾ x + 1 What is the slope?
y = 4 x + 10 What is the slope?
y = 7 x + 8 What is the y-intercept?
Using the slope-intercept form of a linear equation, if I want to draw a GRAPH of the line, where do I start?
y = 3 x + 9 What is the slope?
9 = 3 x - y Solve for y.
5 x – y = 5 Solve for y.
What is the standard form of a linear equation?
How do I graph a linear equation given to me in standard form?
If we substitute 0 for x, what is y? 3 x + 4 y = 16
If we substitute 0 for x, what is y? 5 x + 3 y = 75
If we substitute 0 for y, what is x? 5 x + 3 y = 75
If we substitute 0 for x, what is y? 2 x + 6 y = 8
If we substitute 0 for y, what is x? 2 x + 6 y = 8
Is the slope positive, negative, undefined, or 0? y = ½ x + 3
Is the slope positive, negative, undefined, or 0? x = -3
Is the slope positive, negative, undefined, or 0? y = -3 + 7
Is the slope positive, negative, undefined, or 0? y = 15
What is the slope? y = -9
What is the slope? 2x + 3y = 2
What is the slope? 14x + 7y = 14
What is the slope? 14x - 7y = 14
Find the slope ( 0, 2) and (4, 5)
Find the slope (8, 10) and (6, 4)
Find the slope (5, 2) and (7, 0)
Find the slope ( 0, 0) and (4, 0)
Calculate the Slope. What is the slope-intercept form of any linear equation?
Linear Equations Review. Find the slope and y intercept: y + x = -1.
2-3C Finding an Equation of a Line 2-3C Finding an Equation of a Line Objectives: To write an equation of a line using the slope-intercept equation.
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.
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.
Objective - To graph linear equations using the slope and y-intercept.
Review after Christmas!. Solve the below equations for the variable..5 (6x +8) = 16 1.
Chapter 3 Section 3.4 The Slope Intercept Form of a Linear Equation.
WRITING AN EQUATION OF A LINE DETERMINE THE EQUATION OF A LINE AND/OR GRAPH A LINEAR EQUATION.
September 24 th, 2015 Questions? In past years we studied systems of linear equations. We learned three different methods to solve them. Elimination,
The y-intercept and slope-intercept form/ Writing linear equations from graphs. 1/11/15.
Writing Linear Equations Using Slope Intercept Form.
Lesson 10 Equation of a line y = m x + b. (-3,2) (4,-3) Graph point (-3,2) Graph point 4,-3) Draw line Draw vertical side of triangle Draw horizontal.
Class Greeting. Chapter 8 Systems of Linear Equations and Inequalities Lesson 8-1a Solving Systems Equations by Graphing 1.Determine if a system of equations.
Substitute 0 for y. Write original equation. To find the x- intercept, substitute 0 for y and solve for x. SOLUTION Find the x- intercept and the y- intercept.
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.
Graph a linear equation Graph: 2x – 3y = -12 Solve for y so the equation looks like y = mx + b - 3y = -2x – 12 Subtract 2x to both sides. y = x + 4 Divide.
The slope-intercept form of a linear equation of a non-vertical line is given by: Slope-Intercept Form of a Linear Equation.
Is it a linear function? no. Is the slope positive, negative, zero or undefined? positive.
WARM UP GRAPHING LINES Write the equation in slope- intercept form and then Graph. (Lesson 4.7) 1.3x + y = 1 2.x + y = 0 3.y = -4 3.
Lines, Lines, Lines!!! ~ Standard Form
When an equation is in slope-intercept form: Examples: Identify the slope of the line and the y- intercept for each equation. 1. y = 3x y = ½.
Warm up 1.Graph the equation of the line using slope & y-intercept 4x – 2y = 10.
The table and graph suggest another method of graphing a linear equation. This method is based on two numbers. The SLOPE This is the coefficient of x.
CST Warm-Up: 10/22/13.
Warm-Up 5 minutes Write each equation in slope-intercept form.
WRITE EQUATIONS OF PARALLEL AND PERPENDICULAR LINES November 20, 2008 Pages
UNIT 1B LESSON 2 REVIEW OF LINEAR FUNCTIONS. Equations of Lines The horizontal line through the point (2, 3) has equation The vertical line through the.
2-3 Slope Slope 4 indicates the steepness of a line. 4 is “the change in y over the change in x” (vertical over horizontal). 4 is the ‘m’ in y = mx + b.
Linear Functions and Slope. 1. Find the slope of the line passing through each pair of points or state that the slope is undefined: (-4, 2) and (5, 7)
Writing Equations Index Card Activity. I. How to Write an Equation of a Line Given m and b 1. Write down y = m x + b 2. Substitute slope for m and y-intercept.
SLOPE AND Y INTERCEPT FROM EQUATIONS AND GRAPHS ASSIGNMENT.
Finding the Slope of a Line From Two Points. Given the points: (3, 4) and (2, 6) Find the slope of the line. y 2 – y 1 x 2 – x 1 = x 1, y 1 x 2, y 2 6.
EXAMPLE 2 Write an equation given two points Write an equation of the line that passes through (–2, 5) and (2, –1). SOLUTION Calculate the slope. 3 m =
Graphing Using Slope - Intercept STEPS : 1. Equation must be in y = mx + b form 2. Plot your y – intercept ( 0, y ) 3. Using your y – intercept as a starting.
6-1 Solving Systems by Graphing 6-2 Solving Systems by Substitution 6-3 Solving Systems by Elimination 6-4 Solving Special Systems 6-5 Applying Systems.
Algebra Review. Systems of Equations Review: Substitution Linear Combination 2 Methods to Solve:
. 5.1 write linear equation in slope intercept form..5.2 use linear equations in slope –intercept form..5.3 write linear equation in point slope form..5.4.
Writing Equations of a Line. Various Forms of an Equation of a Line. Gradient-Intercept Form Standard Form Point-Gradient Form.
Slope Intercept Form. Y intercept The y-intercept is the point where a line crosses the y axis. At this point the value of x is 0.
Equations of Lines Standard Form: Slope Intercept Form: where m is the slope and b is the y-intercept.
Do Now Write the slope-intercept equation of this line.
Chapter 8 More on Functions and Graphs. § 8.1 Graphing and Writing Linear Functions.
Bkevil Slope-Intercept Form of a Linear Equation y = mx + b.
Graphing Linear Equations. What is a linear equation? Any equation that can be written as Ax+By=C where A and B are both not 0. Ax+By=C is called the.
Find the x and y intercepts of each graph. Then write the equation of the line. x-intercept: y-intercept: Slope: Equation:
Solving Linear Systems by Substitution 7.2 Objective 1 – Use substitution to solve a linear system. Steps to solve by substitution 1.Isolate a variable.
Holt Geometry 3-6 Lines in the Coordinate Plane Warm Up Substitute the given values of m, x, and y into the equation y = mx + b and solve for b. 1. m =
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:
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