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Finding the Slope of a Line from an Equation  Problem 1
Alissa Fong
Alissa Fong
MA, Stanford University
Teaching in the San Francisco Bay Area
Alissa is currently a teacher in the San Francisco Bay Area and Brightstorm users love her clear, concise explanations of tough concepts
When the equation of a line is in slopeintercept (y=mx+b) form, remember that m = slope and b = yintercept. If the equation of a line is written in slopeintercept form, the slope is the coefficient of the x variable, or the number in front of x. Don't forget to include the right sign for the slope.
Often times you’re given the equation of a line and you’re asked to find either the slope or the yintercept. So let’s look at this one; find the slope of the line y equals 2/3x plus 6.
Okay, well I already know that in the equation y equals mx plus b, whatever is in front of x is my slope number. So to do this problem, I don’t have to do any Math, I just have to recognize that 2/3 is the slope, it’s the coefficient in front of x.
The one trick is to please make sure that you include that negative sign, the slope is the negative 2/3 number and another error I often see is students say the slope is 2/3x, it’s not 2/3x, it’s just plain old 2/3.
So when you come to problems like this, you probably are going to get this an A+ in your test because there’s not a whole Math you have to do. You just need to look at the number that’s in front of x, make sure you include a negative sign if it’s there. That’s how you find the slope.
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Alissa Fong
M.A. in Secondary Mathematics, Stanford University
B.S., Stanford University
Alissa has a quirky sense of humor and a relatable personality that make it easy for students to pay attention and understand the material. She has all the math tips and tricks students are looking for.
Sample Problems (7)
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Finding the Slope of a Line from an Equation
Problem 1 16,465 viewsFind the slope of the line:
y = ⅔x + 6 
Finding the Slope of a Line from an Equation
Problem 2 13,788 viewsFind the slope of the line:
x − 2y = 6 
Finding the Slope of a Line from an Equation
Problem 3 10,712 viewsFind the slope of the line:
y = 4 
Finding the Slope of a Line from an Equation
Problem 4 9,482 viewsFind the slope of the line:
x = 2 
Finding the Slope of a Line from an Equation
Problem 5 1,967 views 
Finding the Slope of a Line from an Equation
Problem 6 996 views 
Finding the Slope of a Line from an Equation
Problem 7 1,023 views
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