Writing Equations of Lines Review

Write an equation of a line that goes through (4, 1) and has a slope of 2.

• $y=2x+4$

• $y=\frac{1}{4}x+2$

• $y-1=2\left(x-4\right)$

• $y+4=2\left(x+1\right)$

Tags

CCSS.HSA.CED.A.2

Write an equation of the line that has a slope of  $-\frac{2}{3}$  and goes through the point (5, -4).

•  $y-4\ =\ -\frac{2}{3}\left(x+5\right)$  

•  $y+4=-\frac{2}{3}\left(x-5\right)$  

•  $y-5=-\frac{2}{3}\left(x+4\right)$  

•  $y+5=-\frac{2}{3}\left(x-4\right)$  

Write equation of the line containing (2,6) and (3,1)

• y = 5x - 14
• y = -5x - 14
• y = -5x + 16
• y = -5x + 6

Tags

CCSS.HSA.CED.A.2

CCSS.HSA.REI.D.10

Which is the equation of the line with y-intercept -2 and slope 6.

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

Tags

CCSS.8.F.A.3

CCSS.8.EE.B.6

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

Tags

CCSS.8.F.A.3

CCSS.8.EE.B.6

What is the slope of a horizontal line?

• 0
• undefined

Tags

CCSS.HSS.ID.C.7

What is the slope of a vertical line?

• 0
• undefined

Tags

CCSS.HSG.GPE.B.5

Vertical or horizontal?
x = 10

• vertical 
• horizontal
• neither

Tags

CCSS.HSA.REI.D.10

 Identify the slope-intercept equation:

• y = 2x - 2
• y = -2x + 2
• y = -2x + 4
• y = 2x + 4

Tags

CCSS.8.F.A.3

CCSS.8.EE.B.6

Identify the slope and y intercept in the equation of the line: y = -1/3x + 1

• Slope: 1/3
  y-intercept: 1
• Slope: 1/3
  y-intercept: -1
• Slope: -1/3
  y-intercept: 1
• Slope: -1/3
  y-intercept: 0

Tags

CCSS.HSS.ID.C.7