Slope-intercept
Standard Form
Point-slope
Converting
Parallel/Perpendicular
100
What is the slope-intercept form?
y=mx+b
100
What is the standard form?
Ax+By=C
100
What is the point-slope form?
y-y1=m(x-x1)
100
Convert to standard form
y=-2x + 5
2x + y = 5
100
Are these lines parallel, perpendicular, or neither?
Neither
200
What does each variable in the equation mean?
y=mx+b
y is the y coordinate
x is the x coordinate
m is slope
b is the y-intercept
200
What are the 4 rules of standard form?
A must be positive
A, B, C must be integers
A and B can not be zero
LCM
200
What is the ordered pair of the equation?
y - 3 = 7/8 (x+2)
(-2 , 3)
200
Convert to slope intercept
2x+3y=-6
y = -2/3x -2
200
Are these lines parallel, perpendicular, or neither?
Parallel
300
What are the three ways to describe how to find slope?
Hint: Formula, R/R, Change/Change
rise/run
(y2-y1) / (x2 - x1)
(change in y) / (change in x)
300
What are the formulas to calculate: slope, y-intercept, and x-intercept?
slope: -A/B
y-intercept: C/B
x-intercept: C/A
300
Write in point slope (5,0) , (3,1)
y+0 = -1/2(x-5)
300
Convert to slope intercept
y-3 = 6/5(x-5)
y= 6/5x - 3
300
Are these lines parallel, perpendicular, or neither?
Perpendicular
400
Write in slope intercept form
(3, -2) m=-2
y= -2x +4
400
Calculate the slope and intercepts for
2x+5y=10
slope: -2/5
x-intercept: (5,0)
y-intercept: (0,2)
400
(5, -4) , (-1, -1)
y+4 = -1/2 (x-5)
400
Convert to slope intercept
y-8 = 3/4 (x+12)
y-8 = 3/4x + 9
y = 3/4x + 17
400
Find the equation of a line parallel to y=−73x+2 and passing through (−15,71)
y−y0=m(x−x0)
y−71=−7/3(x−(-15))
y−71=−7/3(x+15)
y−71=−7/3x−35
y−71+71=−7/3x−35+71
y=−7/3x+36
500
Write the ordered pairs in slope-intercept form
(2,5) , (-4,13)
slope: -4/3
b: 23/3
y = -4/3x + 23/3
500
In what type of word problems do you use standard form?
When the problem relates to two different objects.
500
What type of word problems use point slope form?
Word problems where you are given a point and the rate of change OR where you are given two separate points.
500
Convert to standard form
y+4 = -5/2(x-2)
5x+2y=2
500
What is the equation of the line perpendicular to y−2x=3 and passing through the point (2, 5)?
y−h=m(x−k) Equation
y−(5)=−1/2(x−2)
y−(5)=−1/2x+1 || Distributed the −1/2 to the x and −2 term.
y=−1/2x+6 Added the 5 from the left side.