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Alg 1 FOCUS Day 76

Last updated 6 months ago

5 questions

1

1

1

1

1

Question 1

1.

Determine the line of best fit given the table below.

y = 3.5x + 5.8

y = 5.8x + 3.5

y = -3.5x + 5.8

y = 3.5x - 5.8

Question 2

2.

The table shows the height of a ball thrown in the air in seconds. Based on the quadratic curve of best fit, predict the height at 3.5 seconds.

72.3 meters

67.6 meters

59.7 meters

56.5 meters

Question 3

3.

Determine the roots of

{-5/2, 3}

{-2/5, 3}

{0, -15}

{5/2, -3}

Question 4

4.

Determine the domain and range of the graph:

Domain: all real numbers
Range: all real numbers less than or equal to -3

Domain: all real numbers greater than or equal to -3
Range: all real numbers

Domain: all real numbers
Range: all real numbers greater than or equal to -3

Domain: all real numbers less than or equal to -3
Range: all real numbers

Question 5

5.

A group of students want to determine if there is a relationship between students' grades and how long they study. Select the best TWO data sets the students should collect to gather information for this survey.

The number of classes a student takes each semester.

The number of hours a student spends on schoolwork each week.

The number of tests a student takes each week.

The GPA (grade point average) of a student. 

The SAT score for a student.