The height of a blimp over time is given by y=250x, where y represents the height in feet and x represents the time in minutes. The table shows the height of the hot air balloon over time. Which statements are true?

The hot air balloon is rising faster because it has a higher slope.

The rate of change is the same for both.

The blimp is rising faster because it has a higher slope.

The y-intercept is 250 for the blimp.

Is the relation shown a function?

No, a function cannot have more than one output for each input.

Yes, it passes the horizontal line test.

Yes, for each x-value there is one y-value.

No, it has to be a straight line.

The equation $$y=7x-42$$ models a scuba diver's elevation in feet y after x minutes. Which statement is true?

The diver starts 42 feet below sea level and ascends at a rate of 7 feet per minute.

The diver starts at sea level and reaches a depth of 42 feet after 7 minutes.

The diver starts 7 feet above sea level and descends at a rate of 42 feet per minute.

The diver starts at the ocean floor and reaches a depth of 7 feet after 42 minutes.

A relation contains the following ordered pairs. (-2, 0) (2, 5) (3, 6) (5, 6) Is this relation a function?

Yes, no x-values are repeating.

No, the ordered pairs do not form a straight line.

No, the y-values are repeating.

No, the x-values are repeating.

Linear Functions Review Quiz

Linear Functions Review

Authored by BRITTANY MUNRO

Mathematics

8th Grade

CCSS covered

Used 3+ times

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21 questions

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MATCH QUESTION

1 min • 1 pt

Match the following vocabulary word to the BEST definition.

function whose graph is a straight line

Proportional Relationship

a set of ordered pairs

Function

function with a constant unit rate

Linear Relationship

relation where each X has exactly one Y

relation

MATCH QUESTION

1 min • 1 pt

Match the following vocabulary to the BEST definition.

a rate where the second quantity is 1

constant of proportionality

initial y-value when x = 0

unit rate

$\frac{y}{x}$

rate of change

$\frac{change\ in\ y}{change\ in\ x}$

y-intercept

rate at which a function changes (slope)

slope

Tags

CCSS.8.EE.B.5

DRAG AND DROP QUESTION

1 min • 1 pt

In the equation y=mx+b, the m is the (a) and the b is the (b) .
In the equation, y = kx, the k is the (c) and the y-intercept is (d) so nothing is added or subtracted .

slope

y-intercept

x-intercept

constant of proportionality

zero

origin

Tags

CCSS.8.EE.B.6

CCSS.8.F.A.3

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What does the point (1, r) mean in terms of the proportional relationship shown in the graph?

The point represents the unit rate of how much time has passed, which is 3.5 ft every min.

The point represents the unit rate at which the balloon is rising, which is 3.5 ft every min.

The point represents the unit rate at which the balloon is rising, which is 1 ft every 3.5 min.

The point represents the unit rate of how much time has passed, which is 1 ft every 3.5 min.

Tags

CCSS.8.EE.B.5

FILL IN THE BLANKS QUESTION

1 min • 1 pt

Write the equation of the form y=kx for the relationship shown in the graph.
(NO SPACES AND NO CAPITAL LETTERS!)

(a)

Tags

CCSS.8.EE.B.6

CCSS.8.F.A.3

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which equation matches the table?

$y=7x$

$y=7.5x$

$y=\frac{1}{7}x$

$y=-7.5x$

Tags

CCSS.6.EE.C.9

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Aiden and Hudson are training to run a race. Aiden runs 3 miles in $\frac{2}{3}$ hour. Hudson runs 5 miles in $\frac{4}{5}$ hour. Who runs faster, and what is the unit rate of his speed in miles per hour?

Aiden runs faster; $4\ \frac{1}{2}mph$

Aiden runs faster; $6\ \frac{1}{4\ }mph$

Hudson runs faster;

$4\ \frac{1}{2\ }mph$

Hudson runs faster; $6\ \frac{1}{4\ }mph$

Tags

CCSS.7.RP.A.1

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which equation matches the graph?

$y=-\frac{3}{4}x$

$y\ =\ -3x\ -4$

$y=-\frac{4}{3}x$

$y=-4x\ -3$

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Linear Functions Review

Match the following vocabulary word to the BEST definition.

Match the following vocabulary to the BEST definition.

In the equation y=mx+b, the m is the (a) and the b is the (b) .
In the equation, y = kx, the k is the (c) and the y-intercept is (d) so nothing is added or subtracted .

What does the point (1, r) mean in terms of the proportional relationship shown in the graph?

Write the equation of the form y=kx for the relationship shown in the graph.
(NO SPACES AND NO CAPITAL LETTERS!)

(a)

Which equation matches the table?

Aiden and Hudson are training to run a race. Aiden runs 3 miles in $\frac{2}{3}$ hour. Hudson runs 5 miles in $\frac{4}{5}$ hour. Who runs faster, and what is the unit rate of his speed in miles per hour?

Find the slope. Write your answer as a fraction in simplest form.

(a)

Which equation matches the graph?

The height of a blimp over time is given by y=250x, where y represents the height in feet and x represents the time in minutes. The table shows the height of the hot air balloon over time. What is the constant of proportionality for the hot air balloon?

Access all questions and much more by creating a free account

Similar Resources on Wayground

Popular Resources on Wayground

Discover more resources for Mathematics

Linear Functions Review

Match the following vocabulary word to the BEST definition.

Match the following vocabulary to the BEST definition.

In the equation y=mx+b, the m is the ​ (a) and the b is the ​ ​ (b) . In the equation, y = kx, the k is the ​ (c) and the y-intercept is ​ (d) so nothing is added or subtracted .

What does the point (1, r) mean in terms of the proportional relationship shown in the graph?

Write the equation of the form y=kx for the relationship shown in the graph. (NO SPACES AND NO CAPITAL LETTERS!) (a)

Which equation matches the table?

Aiden and Hudson are training to run a race. Aiden runs 3 miles in 23\frac{2}{3}32​ hour. Hudson runs 5 miles in 45\frac{4}{5}54​ hour. Who runs faster, and what is the unit rate of his speed in miles per hour?

Find the slope. Write your answer as a fraction in simplest form. (a)

Which equation matches the graph?

The height of a blimp over time is given by y=250x, where y represents the height in feet and x represents the time in minutes. The table shows the height of the hot air balloon over time. What is the constant of proportionality for the hot air balloon?

Access all questions and much more by creating a free account

Similar Resources on Wayground

Popular Resources on Wayground

Discover more resources for Mathematics

In the equation y=mx+b, the m is the (a) and the b is the (b) .
In the equation, y = kx, the k is the (c) and the y-intercept is (d) so nothing is added or subtracted .

Write the equation of the form y=kx for the relationship shown in the graph.
(NO SPACES AND NO CAPITAL LETTERS!)

(a)

Aiden and Hudson are training to run a race. Aiden runs 3 miles in $\frac{2}{3}$ hour. Hudson runs 5 miles in $\frac{4}{5}$ hour. Who runs faster, and what is the unit rate of his speed in miles per hour?

Find the slope. Write your answer as a fraction in simplest form.

(a)