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What is the slope-intercept form of a line?

• Ax + By = C

• y = mx + b

• y - y1 = m(x - x1)

• y = Ax + By

What is standard form of a line?

• y = mx + b

• Ax + By = C

• y - y1 = m(x - x1)

• y = Ax + By

Which is the equation of the line with slope 3 and y-intercept 5.

• y = 3x + 5
• y = 5x + 3
• y = 3/5x
• y = 5/3x

What is the y-intercept in the following equation:  y=-4x-5

• -4
• 4
• 5
• -5

Write the equation of the line using the given the
Slope and a Point on the Line

 

( -2 , 1 ) and m = 4

Step 1: Substitute the slope and the chosen point in the Point-Slope form of a line   

Step 2: Write it in its slope-intercept form

• y = 4x +9
• y=4x-7
• y=4x+7
• y=4x-9

Write the equation of the line using the given the
Slope and a Point on the Line

 

( 1 , 8 ) and m = 6

Step 1: Substitute the slope and the chosen point in the Point-Slope form of a line   

Step 2: Write it in its slope-intercept form

• y = 6x + 2
• y = 6x - 2
• y = -3/8x + 2
• y = 3/8x + 2

Write the equation of the line using the given the
Slope and its y-intercept

m = 7  , b = - 8 

Step 1: Substitute the slope and the given y-intercept in the Slope-Intercept form of a line y=mx+b

• y = 7x - 8

• y = 7x + 8

• y = -7x + 8

• y = 8x - 7

Write the equation of the line using the given the
Slope and its y-intercept

m = 5 , b = 6 

Step 1: Substitute the slope and the given y-intercept in the Slope-Intercept form of a line y=mx+b

• y = 5x + 6

• y = 5x + 11

• y = 6x + 5

• y = 5x - 5

Write the equation of the line using the given the
Intercepts

x-intercept = 1 , y-intercept = -1

x-intercept is the value of x when y is 0, in this case use point (_,0)

y-intercept is the value of y when x is 0, in this case use point (0, _)

• y = x - 1

• y = 1x - 1

• y = x + 1

• y = x

Write the equation of the line using the given Two Points on the Line

 

( -2 , -1 ) and ( -3 , 5 )

 

Step 1: Find the slope using the two points

Step 2: Label points as 

Step 3: Substitute the slope and the chosen point in the Point-Slope form of a line  

Step 4: Write it in its slope-intercept form

• y = 6x + 13
• y = -6x - 13
• y = -1/6x + 1
• y = 1/6x - 1