Finding Slope!

m = -9/5

Slope of a line that contains (2,3) and (7,−6)

m = 1

Slope of a line that contains (6, −12) and (15, −3)

m = -2

Slope of a line that contains (9, 3) and (19, −17)

m = 4/9

Slope of a line that contains (−6,1) and (3,5)

ordered pair

a pair of numbers used to locate a point in the coordinate plane

The Lion King

A lion cub is tricked into thinking he killed his father by his evil uncle and runs away from his duty as future king. 1994

zero (it's a horizontal line)

A y equals line has what kind of slope? ex. y=7

undefined (it's a vertical line)

An x equals line has what kind of slope? ex. x=-2

Titanic

Leonardo DiCaprio and Kate Winslet star as the lead roles in this chick flic. Rose is a 17 year old aristocrat who is supposed to be married to a rich claimant, but then falls in love with a poor, ill fated boy named Jack. 1997

Opposite Reciprocal

Perpendicular lines

the change in y over the change in x.

Slope is the ratio of

m = -5/8

Slope of a line that contains (-20, -5) and (-12, -10)

m = -1/2

Slope of a line that contains (-7, 14) and (1, 10)

m = 14

Slope of a line that contains (3, −20) and (5, 8)

m = 1/2

Slope of a line that contains (−1,− 9) and (5,−6)

m = 11/2

Slope of a line that contains (−4, 7) and (−6, −4)

x coordinate

corresponds to a number on the x-axis

y coordinate

corresponds to a number on the y-axis

coordinate plane

formed when two number lines intersect

goes down as it goes to the right

negative slope

origin

point of intersection of two number lines on a coordinate plane (0,0)

Slope Formula

rise/run or change in y over change in x

4 right

If the slope is -3/4, you should move ___ units left or right?

Sven

In Frozen, what is the name of Kristoff's reindeer?

m = 0

Slope of a line that contains (19, 3) and (20, 3)

m = -1/10

What is the slope of a line passing through (-1, 4) and (9, 3)?

m = -4/3

What is the slope of a line passing through (-5, -5) and (-2, -9)?

m = 15

What is the slope of a line passing through (-5, -5) and (-4, 10)?

m = 4/3

What is the slope of a line passing through (1, 8) and (4, 12)?

m = 1/7

What is the slope of a line passing through (10, 24) and (17, 25)?

m = 10

What is the slope of a line passing through (5, 0) and (6, 10)?

m = -1/3

What is the slope of a line passing through (7, 2) and (10, 1)?

m = 7

What is the slope of this line: y = 7x + 5

Quadrant 2

Which Quadrant is this?

Go to the right 3 and draw a vertical line.

How would you graph a line that was x=3?

Go down 4 units and draw a horizontal line.

How would you graph a line that was y = -4?

The Fast and the Furious

Vin Diesel and Paul Walker. Los Angeles police officer Brian O'Connor must decide where his loyalties lie when he becomes a part of the street racing world he was sent undercover to destroy. 2001

(+,+)

What are the signs of the coordinates (x,y) in this quadrant?

goes up as it goes to the right

positive slope

Inside Out

After young Riley is uprooted from her Midwest life and moved to San Francisco, her emotions- Joy, Fear, Anger, Disgust, and Sadness- conflict on how best to navigate a new city, house, and school.

Pitch Perfect

Anna Kendrick, Skylar Astin, Rebel Wilson. A freshmen at Barden University is cajoled into joining The Bellas, an a cappella group. 2012

Same Slope

Parallel Lines

Kevin

What is the name of the bird in "Up"?

quadrants

the four sections of the coordinate plane

x-axis

the horizontal number line on a coordinate plane

Slope

the steepness of a line

y-axis

the vertical number line on a coordinate plane

x = line (only crosses the x axis)

undefined slope

y = line (only crosses the y axis)

zero slope

m = -1/5

What is the slope of this line: y = -1/5x - 4

m = -5

What is the slope of this line: y = -5x - 1

It is where the line crosses the y axis.

What is the y-intercept?

positive.

When you go right or up, your number is

negative.

When you go the left or down, your number is

Quadrant 1

Which Quadrant is this?

Quadrant 3

Which quadrant is this?

Step Brothers

Will Ferrell and John C. Reilly. Two aimless middle-aged men still living at home are forced against their will to become room-mates when their parents marry. 2008

High School Musical

Zac Efron and Vanessa Hudgens. A highschool basketball player is torn between basketball and singing when the girl he loves auditions with him. 2006

You just start at the origin since there is no y-intercept and apply the slope of up 5 over right 1.

How would you graph the equation y=5x?

You could move up 3 and then to the left 4.

If the slope is -3/4 and you can't move down 3 units... what is an alternate way to apply the slope?

3 down

If the slope is -3/4, you should move ___ units up or down?

m = -3/4

In the equation y= -3/4x + 9, what is the slope?

9

In the equation y= -3/4x + 9, what is the y-intercept?

0 because you would not write + 0 since that doesn't change the equation.

In the equation y=5x, what is the y-intercept?

m

In the linear equation (y = mx + b) which value is the slope?

b

In the linear equation (y = mx + b) which value is the y-intercept?

The Breakfast Club

Lead Roles are Emilio Esteves, Judd Nelson, Molly Ringwald, Ally Sheedy, and Anthony Michael Hall as 5 kids all sent to detention from separate social statuses. 1985

(-,-)

What are the signs of the coordinates (x,y) in this quadrant?

A snake

What does Woody from Toy Story have in his boot?

You must plot (find) the y-intercept.

What is the first thing you must do in order to graph a linear equation when given the equation in slope intercept form?

You must apply the slope. (First go up or down, then left or right)

What is the second thing you must do in order to graph a linear equation when given the equation in slope intercept form?

m = -2/7

What is the slope of a line passing through (-13, 1) and (-6, -1)?

m = 1/4

What is the slope of a line passing through (-24, 9) and (24, 21)?

m = 1/6

What is the slope of a line passing through (-3, 9) and (9, 11)?

m = -12

What is the slope of a line passing through (0, 12) and (1, 0)?

m = -2/9

What is the slope of a line passing through (0, 2) and (9, 0)?

m = 3/2

What is the slope of a line passing through (1, -2) and (5, 4)?

m = -50

What is the slope of a line passing through (100, 50) and (102, -50)?

m = -10

What is the slope of a line passing through (3, 17) and (4, 7)?

m = 3/5

What is the slope of a line passing through (3, 6) and (8, 9)?

m = -15

What is the slope of a line passing through (7, 30) and (9, 0)?

m = 1/3

What is the slope of a line passing through (7, 6) and (10, 7)?

m = -8

What is the slope of a line passing through (7, 6) and (9, -10)?

m = 2

What is the slope of a line passing through (7, 6) and (9, 10)?