Finding Regression Equations

A restaurant sells pizza for the prices in the data table.  Calculate the linear regression equation of the data.

• y = 1.5x + 12
• y = 12x + 1.5
• y = 0.67x - 8
• y = -8x + 0.67

Tags

CCSS.8.EE.C.8C

Find the quadratic equation for the relationship of the horizontal distance and the height of the ball.

• y= -18x² + 2.11x + 4.21

• y= -.06x² +1.06x + 7.9

• y= -6x² +1.06x + 79

• y= -.12x² + 2.11x + 4.22

Tags

CCSS.HSA.CED.A.1

CCSS.HSA.REI.D.10

Write the exponential regression equation for this data.

• Y = 8.16(2.7)^X
• Y = 81.6(2.7)^X
• Y = 8.16(.27)^X
• Y = 8.16(27)^X

Tags

CCSS.HSF.LE.A.2

What is the best quadratic regression equation for this set of data?

• $f\left(x\right)=192x^2-16x+0$

• $f\left(x\right)=-16x^2+192x+0$

• $f\left(x\right)=-4.9x^2+5x+19$

• $f\left(x\right)=3.37x^2-1.98x-7$

What is the linear regression formula?

• y=bx+m

• y=mx+b

• y=a+bx

Find the equation of the line of best fit for the given data

• y = 4.19 + 163.41x
• y = 4.19 - 163.41x
• y =163.41 - 4.19x
• y = -163.41+ 4.19x
  

Tags

CCSS.8.EE.C.8C

Find the best fitting quadratic model for the data given.

• 1.2x² + 13x + 504.3
• 12x² + 13x + 504.3
• .12x² + 1.3x + 504.3

Write the equation that represents the table below:

• y=½(4)^x
• y=2(4)^x
• y=4(2)^x
• y=4(½)^x

What is the Equation that matches the data set?

• $f\left(x\right)=-5757.3x+2.9$

• $f\left(x\right)=-16x^2+7x-5$

• $f\left(x\right)=2.9x-5757.3$

• $f\left(x\right)=\left(1000\right)\left(0.7\right)^x$

Tags

CCSS.HSF.LE.A.2

What is the exponential regression equation?

• y =988.873(1.04826)^x

• y =999.973(1.04926)^x

• y =999.973(0.04926)^x

• y =898.973(0.04926)^x

Tags

CCSS.HSF.LE.A.2