Which is a true statement about the slopes of $$\overline{AB}$$ and $$\overline{BC}$$ ?

The slopes are equal because $$\frac{4-3}{3-0}=\frac{6-4}{9-3}$$ .

The slope of $$\overline{AB}$$ is greater than the slope of $$\overline{BC}$$ .

The slope of $$\overline{BC}$$ is greater than the slope of $$\overline{AB}$$ .

The slopes are equal because $$\frac{3-0}{4-3}=\frac{9-3}{6-4}$$ .

Which of the following situations best matches the data in the table?

Kimmy has $10 in her account and adds $1.50 each day for the next 3 days.

Campbell’s dog weighs 14.5 pounds and lost 1.5 pounds each day she was sick last week.

Clayton earns $10 an hour at the grocery store.

Stephanie has $10 on a gift card and spends $1.50 each time she uses it.

Two students found the slope of the line shown. Jacoby used the points (-4, -5) and (-1, -2) while Hunter used the points (2, 1) and (4, 3). Which of the following is a false statement?

One slope will be negative and the other will be positive.

Both students should find a slope of 1.

The ratio of $$\frac{y_2-y_1\ }{x_2-x_1}$$ will be the same for Jacoby and Hunter.

The triangles drawn between each pair of points are similar.

The graph below shows the relationship between the number of hours Reggie works and the amount of money he earns at his job. Which of the following statements is NOT true about the relationship?

The graph can be represented by y = 30x.

If Reggie has earned $120, he has worked 8 hours.

If Reggie works 20 hours, he will earn $300.

The situation is a proportional relationship.

A bowling alley charges guests a fee for shoes and an hourly rate as shown in the table. Which is a correct interpretation of the relationship?

The hourly rate charged is $8.00.

Which of the following is a true statement about the equation $$y=-\frac{5}{8}x$$ ?

The graph of the equation would pass through the origin.

The line would go up from left to right.

Which of the following situations could be modeled by the graph below?

Nakita has $10 in her bank account. Every 3 days, she saves another $10 and adds it to her account.

Tiffany can bench press 10 pounds, and plans to increase the weight by 10 pounds each week.

Tinley’s pond is 10 meters deep, but her city hasn’t received much rain. As a result, the pond level decreases by 10 meters every 3 weeks.

The graph shows the number of homework problems Kenny has remaining based on the number of minutes he has been working. Which of the following statements is not true?

After 24 minutes, Kenny will have completed his homework.

Kenny started with 24 homework questions.

Kenny finishes 2 homework questions every 3 minutes.

The graph shows the equation . $$y=-\frac{2}{3}x+24.$$

❤️‍🩹 REASSESSMENT QUIZ - Linear Functions

Authored by Wilhelmina Ramelb

Mathematics

8th Grade

CCSS covered

❤️‍🩹 REASSESSMENT QUIZ - Linear Functions

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MATH RESPONSE QUESTION

2 mins • 1 pt

Find the slope of the line graphed below.

Mathematical Equivalence

Tags

CCSS.MATH.CONTENT.HSF.IF.B.6

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Find the unit rate in the graph below.

9 miles per hour

4.5 miles per hour

7.5 miles per hour

1.5 miles per hour

Tags

CCSS.8.EE.B.5

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which situation could be represented by the graph shown?

Jordan earns $10 per hour babysitting.

Ashley earns $30 per hour pet sitting.

Jenni earns $5 per hour waiting tables.

Beth earns $15 per hour at the car wash.

Tags

CCSS.MATH.CONTENT.HSF.IF.B.6

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Tags

CCSS.MATH.CONTENT.HSF.IF.B.6

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

A line crosses through the points (1, 7) and (-9, -5). What is the slope of the line?

Tags

CCSS.MATH.CONTENT.HSF.IF.B.6

MATH RESPONSE QUESTION

2 mins • 1 pt

A air conditioning company charges a $75 fee for an evaluation plus an hourly rate for any services required. What is the hourly charge for services?

Mathematical Equivalence

OFF

Tags

CCSS.MATH.CONTENT.HSF.IF.B.6

MATH RESPONSE QUESTION

2 mins • 1 pt

Find the slope of the line that contains the following points: (12, -8) and (18, 0).

Mathematical Equivalence

Tags

CCSS.MATH.CONTENT.HSF.IF.B.6

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❤️‍🩹 REASSESSMENT QUIZ - Linear Functions

Find the slope of the line graphed below.

Find the unit rate in the graph below.

Which situation could be represented by the graph shown?

A line crosses through the points (1, 7) and (-9, -5). What is the slope of the line?

A air conditioning company charges a $75 fee for an evaluation plus an hourly rate for any services required. What is the hourly charge for services?

Find the slope of the line that contains the following points: (12, -8) and (18, 0).

Find the slope of the line that contains the following points: (7, -5) and (7, -3).

Which of the following equations represents a line with a slope of zero?

Write the equation of the graphed line.

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