Rates
What is the formula to find slope?
change in y/change in x
Which vehicle gets better gas mileage?
Corvette:
y=17x
Hummer:

Corvette
Which car gets better gas mileage?
Toyota Prius:
100 miles for 2 gallons of gas
Hummer:

Toyota Prius (50 miles/gal)
Which car has worse gas mileage?
Mazda:
y=37.5x
Chevy Equinox:

Chevy Equinox
What is the slope of a vertical line?
a. positive
b. negative
c. zero
d. undefined
d. undefined
What is the rate at which Ma's Baked Goods earns a profit for every hour?

$30 per hour
Who makes LESS profit per hour?
The Donut Shop
y=200x
The Happy Donut

The Happy Donut ($90/hr)
Which bakery makes profit at a GREATER rate?
Simon's Bakery:
Sells cupcakes at a rate of $250 every two hours.
CuppyCakes:
CuppyCakes ($150/hr)
Which has the greater slope?
Sample A:
y=2.75
Sample B:

Sample B
What is the coordinate of point P?

(1,3)
What is the slope of the equation
y=45x-10
45
Who makes less profit per hour?
Marc's Monocles:
Makes a profit at a rate of $1,120 every 4 hours.
Davi's Dresses:

Davi's Dresses
Which car gets better gas mileage?
Vehicle 1:
150 miles on 3 gallons of gas
Vehicle 2:

Vehicle 1
Which example has the lower rate of change?
Sample A:
y=2.3x
Sample B:

Sample A
On a graph, the x axis makes this pattern. Fill in the two blanks
0, __, 6.4, __, 12.8
1st ___: 3.2
2nd__: 9.6
Each space is worth 3.2
Running Back A ran for 234 yards over 4 games.
Running Back B ran for 944 yards over 16 games.
Which running back runs more yards per game AND how many more yards do they run?
Running Back B runs 0.5 yards more than running back A
Which bakery's profit has a greater slope?
Bob's Bakery:
Makes a profit at a rate of $175 for every 7 hours.
Ma's Baked Goods:

Ma's Baked Goods ($30/hr) > $25 an hour
Who captures zombies at a greater rate?
Zombie-B-Gone:
Captured 600 zombies in 21 days.
Zombies Inc:

Zombie-B-Gone (28.6 zombies/day)
Which online store makes MORE profit per hour?
Dana's Dog Collars:
y=150x
Sally's Scrunchies:

Both are $150/hr.
Solve for x:
5(x-2) = 5x-10
infinitely many solutions

What is the slope of the graph? Express your answer as a simplified fraction
-2/3
Find the solution
10(2x-3) +1 = 20x-15
There is no solution