4.6 Homework

1

The table shows the growth y (in inches) of an elk’s antlers during week x. The equation models the data.

Use the line of fit and the residuals to interpret the strength and direction of the correlation.

1

Tell whether a correlation is likely in the situation. If so, tell whether there is a causal relationship.

favorite color and color of shoes

__________

__________

1

Tell whether a correlation is likely in the situation. If so, tell whether there is a causal relationship.

a person’s hair color and job

__________

__________

1

Solve the inequality:

1

MODELING REAL LIFE
You buy two tickets to an escape room using a coupon for $5 off your entire purchase. You pay a total of $48.15, which
includes 7% sales tax. What is the original price of one ticket?

2

Write equations of the horizontal and vertical lines that pass through (−3, 12).

Horizontal line: _______ 

Vertical line: _______ 

1

The table shows the growth y (in inches) of an elk’s antlers during week x. The equation models the data.Use the line of fit and the residuals to interpret the strength and direction of the correlation.

Solve the inequality:

MODELING REAL LIFEYou buy two tickets to an escape room using a coupon for $5 off your entire purchase. You pay a total of $48.15, whichincludes 7% sales tax. What is the original price of one ticket?

Write an equation in any form of the line shown.

The table shows the growth y (in inches) of an elk’s antlers during week x. The equation models the data.

Use the line of fit and the residuals to interpret the strength and direction of the correlation.

MODELING REAL LIFE
You buy two tickets to an escape room using a coupon for $5 off your entire purchase. You pay a total of $48.15, which
includes 7% sales tax. What is the original price of one ticket?