Linear Parent Function Warmup

What is the linear parent function?

• f(x) = x 
• y = mx + b 
• f(x) = 2x 
• f(x)  = y 

Tags

CCSS.8.F.B.4

CCSS.HSF.LE.A.2

How did the equation shift from the parent function? y=x+2

• translated up 2
• translated down 2
• steeper
• translated right 2

How did the equation shift from the parent function? y=1/2x

• Steeper
• shift up
• Less steep
• shift down

Troy graphed the line of the equation f(x) = 5x + 2. Sarah

graphed the line of the equation g(x) = 5x – 2 on the same

coordinate plane. Which of the following statements best

describes the line that Sarah graphed?

• Less steep by 2

• Vertical shift up 4

• Vertical shift down 4

• Steeper by 2

Find the slope of the line.

• -2/1
• 2/1
• -1/1
• 1/1

Tags

CCSS.8.EE.B.5

Morrison is researching different gyms’ cost to join. Each gym charges an initial fee to join and a monthly fee.
Work It Out gym uses the equation y = 35x + 40 and
Make Me Fit gym uses the equation y = 45x + 40. Which statement best describes the change?

• A. The initial fee is $10 higher. 
• B. The initial fee is $10 lower. 
• C. The monthly fee is $10 higher. 
• D. The monthly fee is $10 lower.

Tags

CCSS.8.F.B.4

CCSS.HSF.LE.A.2

Find the slope of the line.

• Undefined
• 0
• 1/1
• -1/1

Tags

CCSS.8.EE.B.5

Find the slope of the line.

• Undefined
• 0
• 1/1
• -1/1

Tags

CCSS.8.EE.B.5

Find the slope from the table.

• 1/4
• -1/4
• -4/1
• 4/1

Tags

CCSS.8.EE.B.5

Which line is the steepest?

• Blue because the equation has +4
• Red because it is the parent function
• Blue & Green have the same steepness
• Pink because the equation has a 5

Tags

CCSS.8.EE.B.5