Name:_________________________________ H1L4 Accordino-Math 7 Date:_________ Period:________ Lesson 4: Writing Linear Equations from a Graph Bellringer 1. Graph the equation y 2 x1 on the coordinate grid below: 3 2. If the equation of a line is y 4x17.5 Identify the y-intercept, b:_______________ Slope, m:______________ Name:_________________________________ H1L4 Accordino-Math 7 Date:_________ Period:________ Lesson 4: Writing Linear Equations from a Graph Exit Ticket 1. Write the slope-intercept form of the equation of the line below: 2. If the equation of a line is intercept? y 2 x2, at what point on the graph would I find the y3 Name:_________________________________ H1L4 Date:_________ Accordino-Math 7 Period:________ Lesson 4: Writing Linear Equations from a Graph Notes REVIEW: SLOPE:__________________________________________________________________________________ 𝒎= 𝒎 = _____________________ Slope-Intercept form of a linear equation Y=mx+b The slope, m, of a line tells us how far to move between points on the line. The y-intercept, b, tells us where to start the graph of a linear equation. We always start on the yaxis! It is found at the point (0, y). Slope-Intercept form of a linear equation Y=mx+b The y-intercept, b, is found at the point (0, y). Example 1: Write the slope-intercept form of the equation of the line below: m =______________ b = ______________ Equation = _____________________________ Name:_________________________________ Accordino-Math 7 H1L4 Date:_________ Period:________ Example 2: Write the slope-intercept form of the equation of the line below: m =______________ b = ______________ Equation = _____________________________ Example 3: Write the slope-intercept form of the equation of the line below: m =______________ b = ______________ Equation = _____________________________ Example 4: Write the slope-intercept form of the equation of the line below: m =______________ b = ______________ Equation = _____________________________ Name:_________________________________ H1L4 Date:_________ Accordino-Math 7 Period:________ Homework: 5) Find the slope of the line through each pair of points: a. (-1, 4) & (3 , 15) b. (-6, 0) & (7, 2) Review: 3cupsHawaiian punch to 1cuppineapple juice. 5 2 6) A punch mix is made up of 1 What is the unit rate of Hawaiian punch to pineapple juice? How much pineapple juice is needed per cup of Hawaiian punch?

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