Problem Solving with Trend Lines

Problem Solving with Trend Lines

9th - 12th Grade

12 Qs

quiz-placeholder

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Problem Solving with Trend Lines

Problem Solving with Trend Lines

Assessment

Quiz

Mathematics

9th - 12th Grade

Hard

Created by

Alexis Glenn

Used 8+ times

FREE Resource

12 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Media Image

The scatter plot shows the the cost of gas per gallon during certain years.

What is the equation for the trend line in slope-intercept form.

y = .25x + .05

y = .05x + .25

y = x + .25

y = 2x + 1.5x + .25

2.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Media Image

The scatter plot shows the the cost of gas per gallon during certain years.

What does "x" represent in the equation?

Number of years since 1970

Price of gas per gallon

3.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Media Image

The scatter plot shows the the cost of gas per gallon during certain years.

What does "y" represent in the equation?

Number of years since 1970

Price of gas per gallon

4.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Media Image

The scatter plot shows the the cost of gas per gallon during certain years.

How can the trend line equation be used to predict the cost of gas per gallon in the year 1992?

Substitute 92 for x in the equation

Substitute 92 for y in the equation

Substitute 22 for x in the equation

Substitute 22 for y in the equation

5.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Media Image

The scatter plot shows the the cost of gas per gallon during certain years.

Paul want to know when gas would have cost about $1.50 per gallon. What step should he take?

Substitute 1.50 for y in the equation

Add 1.50 to the y-intercept of the equation

Substitute 1.50 for x in the equation

Add 1.50 to the slope of the equation

6.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Media Image

The scatter plot shows the the cost of gas per gallon during certain years.

Paul want to know when gas would have cost about $1.50 per gallon. What step should he take?

Substitute 1.50 for y in the equation

Add 1.50 to the y-intercept of the equation

Substitute 1.50 for x in the equation

Add 1.50 to the slope of the equation

7.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Media Image

The scatter plot shows the the cost of gas per gallon during certain years.

Use the trend line equation to predict the cost of gas per gallon in 2017.

$3.50

$2.60

$1.70

$4.40

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