Slopes
Lines
Inverse/direct variation
Point slope
Linear function
100
A linear equation of a straight line in the form y=mx+b
What is Slope intercept form?
100
How many points are on a line
Infinite
100
X | y __|__ 1 | 36 2 | 18 3 |12
Y= 36/x
100
(3,2) and slope of 1/4 Change to point slope
Y-2=1/4(x-3)
100
F(2)= 3x-24
-18
200
A line passes through the points (5,6) and (1,-3)
Y=9/4x-5.25
200
What is the slope of this line? <----------------->
Zero slope
200
Y varies directly with x Y=20 x=5
Y= 4x
200
(1,3) (2,5) point slope
Y-3=2(x-1)
200
F(-1)= 18x+42
24
300
A line that has a y intercept of -2 and a slope of 2.is it a positive or negative incline
Positive
300
Find the slope of a line that is parallel to y=5x+2
5
300
B varies directly with a B=6 a=7
Y=42/x
300
(-4,-4) (1,-1) point slope
Y+4=-3/5(x+4)
300
F(x)=2/7x+4. X=14
8
400
Y2-y1 divided by x2-x1 Rise over run
What are some Slope formulas?
400
Find the equation of a line that is perpendicular to y=3x+9
Y=1/3x+9
400
Does an inverse variation touch the origin?
No
400
(7,-10) (15,-22) point slope
Y+10=6(x-7)
400
G(x)=0.75x+7. G=16
20
500
Find the slope of a line that passes through (2,7) and has a slope of 1/2
Y=1/2x+6
500
Find the slope intercept form of the given line 2x-5y=3
Y= 2/5x -3/5
500
X varies directly with t T=150 x= 15
Y=10x
500
(6,2) m=1/2 point slope
Y-2=1/2 (x-6)
500
A(x)=3/8x-5. X=24
4
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