Colton is heating a pot of water. He records the temperature of the water in the pot every minute. This equation models Colton’s data, where x represents the number of minutes the water has been heated, and y represents the temperature of the water in degrees Fahrenheit. y = 7.5x + 40 What does the coefficient represent in this equation?

The water is heating up at 7.5 degrees per minute.

The water is cooling down at a rate of 7.5 degrees per minute.

The water is heating up at 40 degrees per minute.

The water started at 40 degrees

Refer to the image, what does the y-intercept represent in relation to this situation?

The amount of points scored with 0 hours of practice.

The total points they scored in the season

The number of points they score per hour of practice.

8th Grade RICAS Prep Review

Quiz

•

Mathematics

•

8th Grade

•

Practice Problem

•

Hard

•

CCSS

8.EE.B.5, HSF.LE.B.5, 8.EE.C.7A

+32

Standards-aligned

Brittany Smith

Used 10+ times

FREE Resource

60 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

825

8,250

825,000,000

825,000

Tags

CCSS.8.EE.A.3

2.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

517,000

0.00000517

0.000517

0.00517

Tags

CCSS.8.EE.A.3

3.

MULTIPLE CHOICE QUESTION

3 mins • 2 pts

The speed of light in cold air is how many times the speed of sound in cold air?

1 x 10^4

3 x 10^4

1 X 10^6

3 x 10 ^6

Tags

CCSS.8.EE.A.4

4.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

3

100

1,000

5,000

Tags

CCSS.5.NBT.A.2

5.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

A

B

C

D

Tags

CCSS.8.EE.A.1

6.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

13

2

6.5

18

7.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

18

-45

52

-67

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