y=mx+b
m=-4
b=5
y=-4x+5
(5,7) and (3,6)
m= 1/2
This type of slope does NOT increase or decrease in any direction.
What is a zero slope?
I have $45 in my account and add $10 each week.
What is y=10x+45
If y=100 and x=5, then what is K
k=20
m= 1/2
b= -4/5
y=1/2x-4/5
(2,5) and (8,1)
m= -2/3
This type of slope decreases from left to right.
What is a negative slope?
Im broke as a joke but got a job that pays me $25 per hour.
y=25x
If y=84 when x=7 what is the value of x when y=156?
x=13
m= -3
b= -5
y=-3x-5
(0,25) and (10,0)
m= -5/2 or -2.5
This type of slope has a vertical change but no horizontal change.
What is an undefined slope?
I have $100 in my account but spend $20 each week.
y=-20x+100
Is the following a direct variation function? y=3/2x+0
What is OBVIOUSLY!
m=1
b= -1
y=x-1
(2,3) and (9,7)
m= 4/7
This type of slope increases from left to right.
What is a positive slope?
A baby giraffe is 6ft at birth and grows half a foot each month.
y=0.5x+6
X Y
6 24
7 28
8 32
9 36
K=4
m=12
b= 4/9
y=12x+4/9
(0,10) and (5,-5)
m= -3
This type of slope only crosses the x-axis.
What is an undefined slope?
You 1v1 me in a basketball game and I score 35 points on you every game we played.
y=35x
In an hourly job the more hours you work (x) the more money you earn (y). You made $51 working 7 hours. How much money is made in working 12 hours?
y=$87.43