Trigonometry Worksheet With Answers - Grade 8 - Pulaski County Special School District Page 14
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15Solution and Scoring
Part Points
1
1 point possible
½ point: Correct answer: $750.00
AND
½ point: Correct and complete procedure shown and/or explained.
Give credit for the following or equivalent.
•
Ryan’s salary for Week 8 is $6,00.00. 6,000/8 weeks = $750.00
Ryan’s total salary for Week 16 is $12,000. 12,000/16 weeks = $750.00
Ryan’s total salary for Week 10 is x dollars. x/10 weeks = $750.00
2
2 points possible
2 points:
Student earns ½ point for each of the following:
•
correct x- and y- axis labels
•
correct title
•
correct x- and y-scaling
•
correct line
Give credit for the following or equivalent.
3
1 point possible
½ point:
Correct answer: Ana's rate of change is constant.
AND
½ point:
Correct and complete justification.
Give credit for the following or equivalent.
•
Her salary is the rate of change and it is linear.
•
Her (rate of change) salary goes up by the same amount each week.
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