Scatter Plots and Linear Functions

Scatter Plots and Linear Functions

8th - 9th Grade

7 Qs

quiz-placeholder

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Scatter Plots and Linear Functions

Scatter Plots and Linear Functions

Assessment

Quiz

Mathematics

8th - 9th Grade

Hard

Created by

Caylin Brashear

Used 7+ times

FREE Resource

7 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Media Image

What is the line of best fit for this table?

y = -.4x + 2

y = 2x + 4

y = .4x - 2

y = .4x +2

2.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Media Image

What is the Correlation Coefficient for this table?

.111

.333

2.69

.427

3.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Media Image

What is the best estimate for the y-intercept of the line of best fit for this table?

2

.4

-2

-.4

4.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Media Image

What is the domain of this table?

{1,4,2,7}

{2,8,6,1}

All real numbers x

All real numbers y

5.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Media Image

What is the range of the line of best fit for this table?

{1,4,2,7}

{2,8,6,1}

All real numbers x

All real numbers y

6.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Media Image

If the line of best fit for this table is y = .4x + 2, what is the best estimate for y when x = 50?

20

22

120

122

7.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Simplify the expression: 2(3x -4y -2) -6(x + y - 9)

6x -8y -54

12x -14y -58

12x +14y +50

-14y+50