Slope
y-intercept
Percent of Change
WOE
Equations
100

What is the slope of a line from this equation?

y=-3x+2


-3

100

What is the y=intercept of this line?

y=3x-1

-1

100

How do we know it's a percent of change proportion?

It says increase or decrease?

100

When do we use WOE?

When we're comparing 2 things

100

4b+3=11

b=2

200

What is the slope of a line from this equation

y=7/(5)x-2

7/(5)

200

What is the y-intercept of this line?

y=1/(2)x+2

2

200

Ms. Ash purchased a DVD player for $50. Two weeks later, the sale price of the DVD player was $45.  Find the percent decrease in the cost of the DVD player.

*set up a proportion*

D/(OG)=%/(100)

10% decrease

200

Walmart is 28 miles away from your house. 1 mile = 4 meters. How many meters apart is Walmart and your house?

7 meters

200

1.4+5m=2.5

m=0.22
300

The formula for slope is (2 answers)

y2-y1/(x2-x1)=rise/run

300

What is the y-intercept of this line?


0

300

Nadia went shopping for a new watch. She found a watch that was originally priced at $50 on sale for $40. By what percent had the watch been marked down?

20% decrease

300

Ms. Cormier want to make cookies for the teachers. Her recipe requires 3 cups of flour for 15 cookies. She needs to make 70 cookies, how many cups of flour will she need?

14 cups of flour

300


x=2

400

What is the slope a line from this equation

y=x+3

1

400

What does y-intercept mean?

Starting point

400

In 2011, it cost $24 per person to enter into Six Flags.  Now, in 2019, the price has been increased to $72.  What is the percent increase in the price?

200% increase

400

Hampton seniors are building a float for the college march. They need to create a giant chair. They base their design on a chair that is 24 inches long. If each inch represents 3 feet of the giant chair, how many feet will the giant chair be?

8 feet

400

5n-3>27

n>6

500

Create an equation given this graph


y=x+2

500

What is the y-intercept in this scenario?

Giselle bought her mom diamond earrings during the Black Friday sales. The earrings were on sale for 1/(2) of x, the original price, with an initial discount of $80. 

-80

500

The price of a couch at Walmart costs $582.40. Originally, the price had been $520.  By what percent did the price of the sofa increase?

12% increase or

500

City girls are some of the fastest rappers in the industry right now! JT can rap 70 words in 2 minutes. At this rate, how many words can she rap in 3/(4) minute?

15 words

500

3+2k<9

k<3