Linear Functions

Write the equation for the line in slope-intercept form.

• y= -1x+3
• y= 4x+3
• y=1/4x+3
• y= -4x+3

Tags

CCSS.8.EE.B.6

CCSS.8.F.A.3

What is the equation of this line?

• y = 2x +2
• y = 2x -2
• y = -x + 2
• Cannot be Determined

Tags

CCSS.8.F.B.4

CCSS.HSF.LE.A.2

What is the rate of change for the following graph?

• 80
• 20
• 40
• 160

Tags

CCSS.8.F.B.4

CCSS.HSF.IF.B.6

Write the equation of the line in slope intercept form given the slope m=2 and point (-3,1)

• y=2x+5
• y=x+1
• y=2x+4
• y=2x+7

Tags

CCSS.HSA.CED.A.2

CCSS.HSF.LE.A.2

CCSS.HSS.ID.C.7

_{What is the y-intercept of the line?}

• y = 1/2
• y = 1
• y = -1/2
• y = -1

Give the slope and y-intercept
6x - 3y = -9

• slope is 6 
  y-intercept is 9
• m=2
  b=3
• slope is 2
  y-intercept is -3
• m = 3
  b = 2

Tags

CCSS.8.EE.B.6

CCSS.8.F.A.3

What is the x and y intercept for the following equation ?
4x - 10y = 20

• x - int = 4    
  y-int = -10
• x-int = 5
  y-int = 2
• x - int = 5
  y int = -2
• x -int = 4
  y -int = -10

A company makes chairs to sell to furniture stores. The company charges $2,000 to set up its equipment, plus an additional $125 per chair. Which equation would represent the cost, y, of buying x chairs from this company?

• y = 2,000 + 125x
• x = 2,000 + 125y
• y = 2,000x + 125
• x = 2,000y + 125

Sandra’s cell phone plan gives her unlimited minutes for $15.50 per month. She is charged $0.08 for each text message, t. Which equation models the total monthly cost, c, for the cell phone?

• C = 15.50t +0.08
• C = 0.08t + 15.50
• C = 15.58t
• 
  C = 15.42t

Sandra has a $20 itunes gift card and spends $3 each month.  Which equation can be used to find how much money Sandra has on her giftcard after x months?

• y = 3x + 20
• y = 3 + 20x
• y = -3x + 20
• y = -20x + 3

Tags

CCSS.6.EE.C.9