8/7/2019 Big 20 Q4 Week 5

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Big 20 Quarter 4 Week 5 Name _____________________Directions: Complete one row each day. Big 20 is due on Friday.1. Monday M7D1f.Mrs. Kladder’s class graphed theweight and height of a randomsample of eighth- grade students.Is this a positive or negativecorrelation?

2. M7D1f.Which problem situationmatches the equation 6 x = 90?

A. Hahn exercised 90 minuteseach day for 6 days this month.What is the total number of hours,  x, that he exercised thismonth?B. Tori charges $6 per hour tocut lawns. What is the number of hours,  x, that Tori worked if shecharged $90 for her labor?

3. M7D1g.

Which of the scatter  plots below shows anegative trend? 

1. 2. 3.

Graph one, two or three?

4. M7A2a.Science data: To begin with (atDay 0), the height is 3millimeter(s). The height isrecorded 1 day later, 2 days later,and then 3 days later. The resultsare shown in the table and graph.

Write the equation of the line?

5. Tuesday M7A2a.

The equation c = 0.75t  representsthe total cost of tickets for carnival games. Which table bestrepresents this equation?

A.

B.

 

6. M7D1f 

In a negative correlation, asx increases then y increasesor decreases?

7. M7A1.c

In simplest terms,what is the perimeter of a triangle withsides of lengths 5x -12,x + 4, and 13 - 2x?

8. M7A3.d

Find the constant of variation k for thedirect variation. 

9. Wednesday M7A3.a

What are the coordinates of the point 4 to the left and 5above the point (1,0)? (writethe new coordinate).

10. M7A2b.

Solve for t.

4 - t = 10

11. M7N1d.The average temperature for June is 92°F. The average

temperature in February is106° colder.

What is the averagetemperature in February?

12. M7G3a.

Figure VWXYZ is

similar to figureABCDE. Name thecorresponding angles.

13. Thursday M7G3a.

  Natasha wants to enlargeone of her favorite pictures.She takes her pictures to astore that has a photoenlarger. The dimensions of her original picture are 4inches by 6 inches If the sheenters 150% into theenlarger, what will be thenew dimensions of  Natasha’s picture?

14. M7G3b.

Triangle PQR is similar to triangle XYZ 

What is the measure, inmillimeters, of segmentZX ?

15. M7G2b.

Triangle XYZ hascoordinates X (–6, 4),Y (–5, 2), and Z (5, 2).If the triangle isreflected across the

 x -axis, what will thecoordinates of Point

 X ′ be?

16. M7G3c.

Quadrilateral ABCD iscongruent toquadrilateral PQRS.

What is the measure of angle S? 

8/7/2019 Big 20 Q4 Week 5

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Big 20 Quarter 4 Week 5 Name _____________________17. Friday M7G1b.

If line segment NSbisects line segment RT,which two triangles mustbe congruent?

A. triangle SNR andtriangle SNTB. triangle SMR andtriangle SMT

C. triangle STM andtriangle SRMD. triangle SNR andtriangle SRM

18. M7G2a.Blossom is looking attwo triangles drawn inseparate graphs. Shesays, “Hmm, they lookalike”. How “alike” are

they? That is, what is therelationship between thetriangle in the left graphand the triangle in theright graph?

A. The triangles arecongruent.The right triangle hasbeen translated up andto the right by (3,3).B. The triangles arecongruent.The right triangle hasbeen translated to theright by 3C. The triangles are

congruent.The right triangle hasbeen translated up by 3D. The triangles arecongruent.They are in the sameposition

19. M7G4a.

If I rotate a trianglethrough space what 3dimensional shape isformed?

20. M7G4b.

What cross section isformed when I cut acone perpendicular orvertical to its base?