Writing Equations

Which of the following is slope-intercept form?

• y - y₁ = m(x - x₁)

• y = mx + b

• y = kx

• none of the above

Which of the following is point-slope form?

• y - y₁ = m(x - x₁)

• y = mx + b

• y= kx

• none of the above

Writ the equation of a line in slope-intercept form with a slope of 3 and a y-intercept of -4

• y = -4x + 3

• y - 4 = 3(x - 4)

• y = 3x + 4

• y = 3x - 4

Write the equation of a line in slope-intercept form with a slope of  $\frac{2}{3}$   and a y-intercept of (0, 7)

•  $y=\frac{2}{3}x+7$   

•  $y-3=7\left(x-2\right)$  

•  $y=7x+\frac{2}{3}$   

•  $y+7=\frac{2}{3}x$  
  

Write the equation of a line in slope-intercept form with a slope of -2 that passes through the point (4,-1)

• $y=-2x-9$

• 
  

  $y=-2x+7$
  

• $y=-2x+9$

• $y=-2x-7$

Write the equation of a line in slope-intercept form with a slope of $\frac{1}{2}$  that passes through (-6,8)

•  $y=\frac{1}{2}x+5$  

•  $y=\frac{1}{2}x-5$  

•  $y=\frac{1}{2}x-11$  

•  $y=\frac{1}{2}x+11$  

Write the equation of a line in slope-intercept form that passes through (3,4) and (-3,-2)

• 
  

  $y=x+1$
  

• $y=-x-7$

• $y=x-1$

• $y=-x+7$

Write the equation of a line in slope-intercept form that passes through (3,1) and (3,-2)

• 
  

   $y=3$ 
  

•  $y=1$ 

•  $x=3$ 

•  $x=-3$ 

Write the equation of the line graphed in slope-intercept form.

• 
  

  $y=2x+5$
  

• $y=-\frac{1}{2}x+5$

• $y=\frac{1}{2}x+5$

• $y=-2x+5$

Write the equation of the line graphed in slope-intercept form.

• 
  

  $y=4x+2$
  

• $y=2x+4$

• $y=\frac{1}{2}x+4$

• $y=-2x+4$