Slope Intercept with Real World Graphs

Presentation

•

Mathematics

•

8th Grade

•

Hard

•

CCSS

HSF.LE.B.5, 8.F.B.4, HSF.IF.B.4

Standards-aligned

Amber Moody

Used 990+ times

FREE Resource

8 Slides • 12 Questions

Slope Intercept with Real World Graphs

We are practicing on slope and slope-intercept

Real Life Linear Equations

y - intercept (0,32)
These means that the starting fee for renting the car is $32

Multiple Choice

What is the meaning of the y-intercept of this graph?

when the gas take is empty

starting amount of gas

rate at which the gas take empties

the starting mileage

The rate of change of this graph

Multiple Choice

Which slope-intercept equation matches the graph?

$y=\frac{3}{2}x+2$

$y=\frac{2}{3}x-3$

$y=\frac{2}{3}x+2$

$y=\frac{3}{2}x-3$

Rate of change (slope)

Multiple Choice

What is the situation of the linear graph?

The beaker is being filled.

The beaker is being emptied.

The beaker is remaining the same amount

Multiple Select

Select the TWO statements below that are TRUE.

slope

$-\frac{1}{3}$

y-intercept (0,1)

y-intercept (0,0)

slope -3

Money Earned Selling Programs

Ken got a job selling programs.
He starting payment is $15
y-intercept (0,15)
He earns $0.50 per program sold
slope (rate of change) $0.50 per program

Multiple Choice

Which slope intercept equation matches the graph?

$y=4x+4$

$y=4x-1$

$y=\frac{1}{4}x+4$

$y=-4x+4$

Donations

Tanya has a donation plan of $4 to start and $2 per mile.
Charlie has a donation plan of $10 to start and $0.50 per mile

Multiple Choice

Which equation represents this situation: Rocky's Canoe Rental charges a flat fee of $25 and $30 per hour?

$y=25x+30$

$y=30x+25$

$y=55x$

$y=30x-25$

Drew's Scuba Tank

Multiple Choice

What is the slope-intercept equation of the graph?

$y=-x-5$

$y=5x$

$y=x-5$

$y=x+5$

Multiple Choice

Which equation represents this situation:

Pappy's Pizza charges $8 for a plain cheese pizza and $1.50 per topping.

$y=1.50x+8$

$y=8x+1.50x$

$y=8x+1.5$

$y=9.50x$

What can you tell me about the graph?

y-intercept?
What does it mean?
rate of change?

Multiple Choice

What is the starting temperature in the tank?

82 degrees

100 degrees

5 degrees

80 degrees

Multiple Choice

What is the meaning of the coordinate (4, 74)?

At 74 hours, the temperature of the tank is 4 degrees.

At 4 hours, the temperature of the tank is 74 degrees.

After 4 hours the temperature of the take is 47 degrees.

Multiple Choice

Kevin works on his uncle's dairy farm. One of Kevin's many chores is to load bales of hay onto a wagon and haul them from the field into the barn.

There is a proportional relationship between the number of wagon loads,

x, and the number of bales of hay Kevin can haul, y. What is the slope of the given graph?

5 bales per wagon load

1 bale per wagon load

$\frac{1}{5}$ bale per wagon load

50 bales per wagon load

Multiple Choice

Ms. Pepper has $150 in her savings account and saves $40 per month. Which equation represents the amount of money (y) Ms. Pepper has in her account after (x) number of months?

y=150+40

y=150x+40

y=40x+150

y=190x

Slope Intercept with Real World Graphs

We are practicing on slope and slope-intercept

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