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Finding Slope and Writing Equations in Slope-intercept Form Standard: A.CED.2 (Algebra. Creating Equations.)

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Finding Slope and Writing Equations in Slope-intercept Form. Standard: A.CED.2 (Algebra. Creating Equations.). Essential Questions. How do I find slope using the slope formula? How do I rewrite an equation in slope-intercept form? How do I identify the slope and the y-intercept?. - PowerPoint PPT Presentation

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Finding Slope and Writing Equations in Slope-intercept Form

Finding Slope and Writing Equations in Slope-intercept FormStandard: A.CED.2(Algebra. Creating Equations.)Essential QuestionsHow do I find slope using the slope formula?How do I rewrite an equation in slope-intercept form?How do I identify the slope and the y-intercept?Finding Slope

M = Example 1:Find the slope using the following points:A line contains the points (1, 3) and (2, 3).Find m. m =3 32 (1)63= 2=4Example 2:Find the slope: (-4, -2) and (2, -2)

The slope of a horizontal line is ZERO!Example 3:Find the slope: (1, 4) and (1, -3)

The slopes of vertical lines are UNDEFINED!Example 4:Find the slope: (4, -2) and (-2, 6)Example 5: Signs of slopePositive, negative, zero, or undefined:QUICKLY: Textbook pg. 25, #s 1-3 all, 14-26 EVENPg. 25, #s 1-3, 14-26 EVENPositiveNegativeUndefined14. -4/516. -3/518. Undefined20. 22. -1/424. 126. 1Writing Equations and Identifying m and by = mx + bm = slopeb = y-intercept**If an equation is not in slope-intercept form, just get y by itself. Then, identify the m and the b.Example 1Write an equation for the given information in slope-intercept form:M = 2, b = 3Y = 2x + 3M = -3, b = -4Y = -3x 4M = , b = -5Y = x - 5Example 2:Write the equation in slope-intercept form, then identify the m and the b:-2x + 3y = 9Example 3Write the equation in slope-intercept form, then identify the m and the b:4x + y = 3Example 4:Write the equation in slope-intercept form, then identify the m and the b:5x 4y = 12Example 5:Write the equation in slope-intercept form, then identify the m and the b:2x y = 3QUICK!Textbook pg. 32, #s 2-12 EVEN and #14 and #15Pg. 32, 2-12 EVEN, 14-152. 3/2; 14. 5; -46. -9; 88. 3; -110. 3; 1/312. ; 5/814. 0; -415. undefined; noneHomework:Workbook pg. 25-27, #s 1-30 ALLWorkbook pg. 32 #s 1-12 ALL

SHORT GRAPHING AND INTERCEPT QUIZ THE NEXT TIME YOU COME IN HERE!!!Pg. 25-27NegUndefinedPosZeroPosNegPosZeroNegPos

11. Undefined12. Neg13. 114. -215. 016. -117. Undefined18. 219. 3/220. -1/2Continued21. Undefined22. 123. -524. 325. -226. -627. 128. -229. 030. undefinedPg. 32, #s 1-122; 12/3; 1-1/2; 22; 2; -13/2; 13; 45; -2-2; 810. ; 011. -3/4; -112. 4; 4

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