Slope
What formula can help you find slope when you're given 2 points of the graph?
Point Slope
m = (y-y)/(x -x)
In the equation y=3x - 7, what are the slope and y-intercept?
m= 3
b= -7
What does the y-intercept tell you about a graph?
Where the line crosses the y-axis // Your starting value
John collects aluminum cans to recycle. He's collected 100 pounds thus far, and plans to collect an additional 25 pounds each week.
Name the independent and dependent variables in this situation.
IV: Weeks
DV: Pounds of cans
What year was the first IPhone released?
2007
What are the 4 types of slope?
Positive, Negative, Zero, Undefined
Define all of the terms in the Slope-Intercept Equation
y= dependent variable / output
m= slope
x = independent variable / input
b = y-intercept
A line has a slope of -1/2 and a y-intercept of 4. What direction does the line go?
Downwards
Krista is tracking the growth of her plant. Today the plant has a height of 5 cm. The plant grows an additional 1.5 cm per day. If we were to graph the relationship between time and plant growth, what would be our slope and y-intercept?
b= 5
m= 1.5 cm
What country invented paper as we know it today?
China
What is the slope of a line that passes through (1,3) and (5,11)
2
What is the y - intercept of a line that passes through the point (3,3) and has a slope of -2?
(0,9)
A graph shows a perfectly horizontal line. What is the slope?
Zero
A plane loses its altitude at a rate of 5 meters per second. It reaches a maximum altitude of 7500 meters. Write an equation that represents the descent of a plane as time progresses.
y=-5x +7500
What is the human body's largest organ?
The skin
What is the slope of a line that passes through (6, 0) and (0, 3)?
-2
What is the equation of a line who passes through the points (0,2) and (1, 5)?
y=3x+2
Graph the equation y=-3x +6
*I didn't feel like finding a picture of this *
A car rental service charges $20 for a rental and an additional $15 dollar each hour to rent the car.
Write an equation that represents the cost of a rental car.
How much would it cost to rent the car for 6 hours?
y = 15x + 20
6hrs = $110
What is the longest-running scripted TV series in US History?
The show has ran from 1989-present and currently has over 800 episodes
The Simpsons
What is the slope of a line that passes through (2, 4) and (2,7)?
Undefined
y=3x -4
Graph a line that passes through (0,-2) and has a slope of 3/4
***
The cost of a school banquet is $95 plus $15 for each person attending. Write an equation that can help determine the total cost of the banquet, and find out the total cost is the school decides to host 77 people.
y= 15x + 95
77people= $1,250
Which planet in our solar system has the longest day? 1 day on this planet is equivalent to about 243 Earth days
Venus