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Slope and y- intercept By Ms. Morgan
Do now Find the slope of these two points: (-2, -2) and (4, 1) (-2, -2) and (4, 1) Find the slope of these two points
Slope and Y -Intercept Video http://www.phschool.com/atschool/acade my123/html/bbapplet_wl-problem- 431001.html http://www.phschool.com/atschool/acade my123/html/bbapplet_wl-problem- 431001.html http://www.phschool.com/atschool/acade my123/html/bbapplet_wl-problem- 431001.html
Example What is the slope and y-intercept? 1.Y = 4x + 6 2.Y = 1/3x – 7 –Build the equation with the following slope and y-intercept: Slope= 9 y-intercept = -3 Slope= 1/6 y-intercept = 5
Writing Equations from graphs Video http://www.phschool.com/atschool/acade my123/html/bbapplet_wl-problem- 431002.html http://www.phschool.com/atschool/acade my123/html/bbapplet_wl-problem- 431002.html http://www.phschool.com/atschool/acade my123/html/bbapplet_wl-problem- 431002.html
Practice Write the equation for the following graph First find the slope Then find the y- intercept Finally place slope and y-intercept in the form Y= mx + b
Example 2 Write the equation for the following graph First find the slope Then find the y- intercept Finally place slope and y-intercept in the form: Y= mx + b
Objective - To graph linear equations using the slope and y-intercept.
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.
Writing equations given 2 points on the line. Write the equation of the line that goes through the points (1, 6) and (3, -4) m = y₂ - y₁ x₂ - x₁ -4 -
Linear Equations Review. Find the slope and y intercept: y + x = -1.
Find the x and y intercepts of each graph. Then write the equation of the line. x-intercept: y-intercept: Slope: Equation:
Point slope form of an equation Y - y₁ = m(X- x₁) (x₁, y₁) An ordered pair on the line m slope.
Write an equation given the slope and y-intercept EXAMPLE 1 Write an equation of the line shown.
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.
Slope Intercept Form Graph an equation using the slope and the y intercept and write an equation of a line.
Review after Christmas!. Solve the below equations for the variable..5 (6x +8) = 16 1.
Slope Intercept Form and Its Use in Graphing Presentation by: Colin Swan.
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.
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1 Math Supplement The Proportionality A “is proportional to” B.
Review: Solving One-Step Equations. Definitions Term : a number, variable or the product or quotient of a number and a variable. 12 X 2w c 3.
Find slope and y-intercept given an equation in standard form. 5.5 day 2 3x - 6y = 12.
WRITING AN EQUATION FROM SLOPE INTERCEPT. Slope Intercept Form.
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.
WARM UP Evaluate 1.3x + y for x = 4 and y = 3 2.x² + 7 for x = 7 5 Minutes Remain.
Y -intercept ANSWER slope ANSWER Prerequisite Skills VOCABULARY CHECK Copy and complete the statement. ? In the equation y = mx + b, the value of m is.
Lesson 5.1 Write Equations in Slope-Intercept Form.
Slope Intercept Form. Slope Intercept Form of an equation gives you a quick way to graph an equation.
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Slope-Intercept Form Page 22 10/15. Vocabulary y-Intercept: the point at which a function crosses the y-axis (0, y) x-intercept: the point at which a.
2.2 Linear Equations.
Example 2 Graphing Using Slope-Intercept Form Graph the equation y = x STEP 3 Draw a line through the points. 2 1 STEP 2Use the slope,, to plot.
= -9= 0 = -4 = -5/6 g. Take out Homework. Show me your work. Check.
Warm up Graph the equation of the line using slope & y-intercept
5.3 Slope-intercept form Identify slope and y-intercept of the graph & graph an equation in slope- intercept form. day 2.
x y Straight Line Graphs m gives the gradient of the line and.
Slope intercept form of an equation
EXAMPLE 1 Identifying Slopes and y -intercepts Find the slope and y -intercept of the graph of the equation. a. y = x – 3 b. – 4x + 2y = 16 SOLUTION a.
Lesson 2.5 AIM: Graphing Slope Intercept Form. SLOPE INTERCEPT FORM y = mx + b m = slope (how steep the line is) b = y-intercept (where it crosses the.
WRITE EQUATIONS OF PARALLEL AND PERPENDICULAR LINES November 20, 2008 Pages
Do Now Find the slope of the line passing through the given points. 1)( 3, – 2) and (4, 5) 2)(2, – 7) and (– 1, 4)
5-3 Slope Intercept Form A y-intercept of a graph is the y-coordinate of a point where the graph crosses the y-axis. *Use can use the slope and y-intercept.
Writing Linear Equations in Slope Intercept Form Goals: Write linear equations given 2 points. Decide which form of a line to use given initial information.
Ms. Discepola’s JEOPARDY Unit 8. JEOPARDY – UNIT 8 Domain, Range, Relation FunctionsSlope & Intercepts Graphing Lines Not on the TEST
Slope Intercept Form. Y = mx + b m is the slope b is the y-intecept (0, b) Your equation must say “y = “ Example: Y = 3x + 8 m = 3 Y-intercept (0,8) Y.
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.
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