Graphing Linear Equations Using the Slope Determine if

Graphing Linear Equations Using the Slope

Determine if the given points below are collinear (9 , 4) , (0 , -2 ) and (3 , 0) x 1 y 2 -y 1 m= x 2 -x 1 -2 - 4 m= 0 - 9 -6 2 m= = 3 -9 x 2 y 2

Determine if the given points below are collinear (9 , 4) , (0 , -2 ) and (3 , 0) x 1 y 2 -y 1 m= x 2 -x 1 -2 - 4 m= 0 - 9 -6 2 m= = 3 -9 m= m= y 1 0 - (-2) 3 - 0 2 3 x 2 y 2

Determine if the given points below are collinear (9 , 4) , (0 , -2 ) and (3 , 0) x 2 y 2 x 1 y 2 -y 1 m= x 2 -x 1 -2 - 4 m= 0 - 9 -6 2 m= = 3 -9 m= m= 0 - (-2) 3 - 0 2 3 0 - 4 m= 3 - 9 2 -4 = m= 3 -6 Therefore three points are collinear.

Determine if the given points below are collinear 1. (2 , -1) , (0 , 5) and (1 , 2) 2. (3 , 1) , (0 , -1) and (-9 , -6) 3. (0 , 1) , (7 , -4) and (-9 , 3)

Graph the equation of a line by determining the slope and y-int. of a line y = mx+b y = -4 x +3 m = -4 b= 3 Step 1: Plot the y-int. (0 , b) Step 2: Use m to determine the second point

Graph the equation of a line by determining the slope and y-int. of a line y = mx+b y = 2/3 x +2 2 m= 3 b= 2 Step 1: Plot the y-int. (0 , b) Step 2: Use m to determine the second point

Graph the equation of a line by determining the slope and y-int. of a line y = mx+b 3 x + y = 5 y=-3 x + 5 m = -3 b= 5 Step 1: Plot the y-int. (0 , b) Step 2: Use m to determine the second point

Graph the equation of a line by determining the slope and y-int. of a line y = mx+b 3 x-5 y = 20 y = 3/5 x - 4 3 m= 5 b = -4 Step 1: Plot the y-int. (0 , b) Step 2: Use m to determine the second point

What is the y-form of a graph? 6 m= =3 2 ( 0 , -2) b = -2 y = mx + b y = 3 x - 2

What is the y-form of a graph? ( 0 , 1) -3 m= 2 b= 1 y = mx + b y =-3/2 x+1

Graph the following equations 1. 2. 3. 4. y = -2 x + 8 x + 3 y = 9 2 y + 5 x = 10 y + 3 x - 1 = 0

5. What is the standard form of the equation of a graph? ( 0 , 3)

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