Writing Equations

Slope = 3/5  Point (10, -15)

• y=3/5x-21
• y=3/5x-9
• y=3/5x-35
• y=3/5x

 point (8,5)
 slope of 1/2

• y = 1/2x + 5.5
• y = 1/2x - 1
• y = 1/2x - 5.5
• y = 1/2x + 1

Write equation of the line containing (0,0) and (1,3)

• y = 1/3x + 2  2/3
• y = 3x + 2 2/3
• y = 1/3x + 0
• y = 3x + 0

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

• y-intercept
• beans
• nothing
• slope

Tags

CCSS.8.EE.B.6

CCSS.8.F.A.3

What is the slope in the equation:  y=4x+3

• 3
• 4x
• 4
• 3x

Tags

CCSS.8.EE.B.5

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

• (-4,0)
• (0,-4)
• (0,5)
• (0,-5)

Tags

CCSS.8.EE.B.6

CCSS.8.F.A.3

Determine the slope and y-intercept from the following equation:   y = 3/2x + 3

• slope: 5   y-intercept:  (0,3) 
• slope: 3/2   y-intercept:  (0,3) 
• slope:  4  y-intercept:  (0,3/2)
• slope: 1/5   y-intercept:  (0,5) 

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

A canoe rental service charges a $20 transportation fee and $30 dollars an hour to rent a canoe. Write an equation representing the cost, y, of renting a canoe for x hours. 

• y = 20 + 30x
• y = 30 + 20x
• y = 50x
• y = 60x

Tags

CCSS.6.EE.C.9

What is the equation in Point-Slope form that goes through the point (2,3) and has a slope of 5?

• y - 3 = 5(x - 2)
• y - 2 = 5(x - 3)
• y + 3 = 5(x + 2)
• y + 2 = 5(x + 3)