Math Models - 2nd 6-Weeks Review

Math Models - 2nd 6-Weeks Review

9th - 10th Grade

20 Qs

quiz-placeholder

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Math Models - 2nd 6-Weeks Review

Math Models - 2nd 6-Weeks Review

Assessment

Quiz

Mathematics

9th - 10th Grade

Hard

CCSS
HSF.LE.A.2, 8.EE.C.8C, HSS.ID.B.5

+2

Standards-aligned

Created by

Barnhill Kaitlyn

Used 4+ times

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20 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

Media Image

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

2.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

If x is temperature and y is coffee sales, use the following formula to determine the coffee sales on a 34° day.

y = -60x+6443

$4403

$4673

$8483

$6443

Tags

CCSS.HSF.LE.B.5

3.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

Media Image
The chart below tracts starting salaries for health care workers since the year 2000. Using linear regression, find the equation of best fit. Round decimals to 3 places.
y = 839.721x + 27541.812
y = 27541.812x - 839.721
y = 27541.812x + 839.721
y = 839.721x - 27541.812

4.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Media Image

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

y = 163.41x+1.49

y =- 163.41x+ 4.19

y =- 4.19x+163.41

y = 4.19x -163.41

5.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

Media Image

The annual profits for a company are given in the following table, where x represents the number of years since 1992, and y represents the profit in thousands of dollars. Write the linear regression equation that represents this set of data, rounding all coefficients to the nearest hundredth. Using this equation, estimate the year in which the profits would reach 378 thousand dollars.

2029

2014

2003

8753

6.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Media Image
Using your linear regression, what is y when x is 30?
61.59
52.46
57.94
59.76

Tags

CCSS.8.EE.C.8C

7.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Media Image
What is the equation of this table?
y=512(1/4)x
y=32(4)x
y=32(1/4)x
y=512(4)x

Tags

CCSS.HSF.LE.A.2

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