211 - Write Equation Given Two Points

What formula can be used to find the slope of a line?

• $m=\frac{\ y_2-y_1\ }{x_2-x_1}$

• $y=mx+b$

• $Ax+By=C$

• $m=\frac{\ x_2-x_1\ }{y_2-y_1}$

Tags

CCSS.8.EE.B.5

Which statement best describes "m"?

• x- intercept

• y - intercept

• slope

• tasty

Tags

CCSS.8.EE.B.5

What does 'b" represent in y=mx=b

• y-intercept
• beans
• nothing
• slope

Tags

CCSS.8.EE.B.6

CCSS.8.F.A.3

Identify the slope and y intercept to write an equation of the line:  $y=-\frac{1}{3}x+1$  

• Slope:  $\frac{1}{3}$  
  y-intercept: 1

• Slope:  $\frac{1}{3}$  
  y-intercept: -1

• Slope:  $-\frac{1}{3}$  
  y-intercept: 1

• Slope:  $-\frac{1}{3}$  
  y-intercept: 0

Tags

CCSS.8.EE.B.6

CCSS.8.F.A.3

Write an equation of the line in slope-intercept form:

•  $y=\frac{3}{2}x-3$  

•  $y=6x+3$  

•  $y=\frac{3}{2}x+3$  

•  $y=4x-3$  

Write an equation for the line that passes through the given points:
 $\left(-3,\ 5\right)$  and  $\left(0,\ -1\right)$  

•  $y=-2x-1$  

•  $y=-\frac{1}{2}x-1$ 

•  $y=-1$  

•  $y=-3x+5$  

Write an equation for the line that passes through the given points:
 $\left(0,\ -2\right)$  and  $\left(4,\ 10\right)$  

•  $y=\frac{1}{3}x-2$  

•  $y=3x-2$ 

•  $y=4x+10$  

•  $y=2x-2$  

Write an equation for the line that passes through the given points:
 $\left(3,\ 1\right)$  and  $\left(0,\ 10\right)$  

•  $y=-3x+10$  

•  $y=-\frac{1}{3}x+10$ 

•  $y=3x+1$ 

•  $y=10$