Unit 6 Review

Unit 6 Review

8th Grade

21 Qs

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Unit 6 Review

Unit 6 Review

Assessment

Quiz

Mathematics

8th Grade

Medium

Created by

Curtis Martin

Used 14+ times

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21 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

A baseball coach graphs some data and finds the line of best fit. The equation for the line of best fit is y = 0.32x – 20.51, where x is the number of times at bat and y is the number of hits.


How many hits should he expect from a player who is at bat 175 times?

35 hits

609 hits

42 hits

69 hits

2.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Jared collected data on the ages and heights of a random sample of elementary school students. If he plots the data on a scatter plot, what relationship will he most likely see between age and height?

A negative correlation

No correlation

A positive correlation

A constant correlation

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Slope intercept form looks like:

y = mx + k

y = mx + b

x = my + b

y = bx + m

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

m stands for the ...

y-intercept

x-intercept

initial value

slope

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

b stands for the ...

y-intercept

x-intercept

slope

6.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

write the equation of the line in slope-intercept form


m = 6, b = -2

y = 6x + 2

y= -2x + 6

y = 6x - 2

x = 6y - 2

7.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Media Image

Chang wants to know if he is improving his skill on the cello. He created a scatter plot and drew a line of best fit.

If he uses the point (2, 8) and (5, 1.5) from his line, which equation would best represent the line of best fit?

y = -2.17x + 12.3

y = 2.17x + 3.77

y = -0.46x + 9

y = -2.17x - 9.35

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