Quadratic Regression Practice

Find the quadratic regression equation for the relationship of the horizontal distance and the height of the ball in the provided table.

• $-18x^2+2.11x+4.21$
  

• $-0.06x^2+1.06x+7.9$
  

• $-6x^2+1.06x+79$
  

• $-0.12x^2+2.11x+4.22$

Tags

CCSS.HSA.CED.A.2

Find the height of the ball when it traveled a distance of 10 feet.

• 12.8 ft

• 13.5 ft

• 11.1 ft

• 17 ft

Tags

CCSS.HSA.CED.A.1

CCSS.HSA.REI.B.4

CCSS.HSA.SSE.A.1

Find the best fitting quadratic model for the data given.

• $1.2x^2+13x+504.3$

• $12x^2+13x+504.3$
  

• $0.12x^2+1.3x+504.3$
  

Tags

CCSS.HSA.CED.A.1

CCSS.HSA.CED.A.2

CCSS.HSA.SSE.A.1

Find the population for 1975.

HINT: Read the headers on the table!

• 623 thousand people

• 650 thousand people

• 599 thousand people

• 513 thousand people

Tags

CCSS.HSF.IF.A.2

Determine the curve of best fit.

• $y=-2.7x+7.4$

• $y=0.95x^2-2.08x-0.75$
  

• $y=-.05x-3.26$
  

• $y=0.95x^2+2.08x+0.75$
  

Tags

CCSS.HSA.CED.A.2

CCSS.HSA.REI.D.10

CCSS.HSS.ID.B.6

Find the best fitting Quadratic model for the data

• $-0.26x^2-17.3x+222.8$

• $-0.26x2^2+22.59x+23.02$
  

• $2.6x^2+22.9x+20.03$
  

• $2.6x^2+2.3x+23.02$
  

Tags

CCSS.HSA.CED.A.1

CCSS.HSA.CED.A.2

CCSS.HSA.REI.B.4

• 2.24
• 4.47
• 5.83
• 4.25
• 5.66
• 1.76