Need to Know
Slope
Forms
X&Y Intercepts
Vertical &
Horizontal Lines
Horizontal Lines
100
What is the formula for slope?
m=y2-y1/x2-x1
100
What is the slope of the line?
5/2
100
Put the following equation of a line into slope-intercept form, simplifying all fractions.
y-x=−8
y=x-8
100
Find the x- and y-intercepts of the graph of 5x−5y=40. State each answer as an integer or an improper fraction in simplest form.
(8,0)
(0,-8)
100
When x=1, which axis is being intersected and where?
x-axis is intersected at 1
200
What is the name of this equation? and what two things does it show you? y=mx+b
slope-intercept- slope and y-intercept
200
what is the slope?
y=1-4x
-4
200
Put the following equation of a line into slope-intercept form, simplifying all fractions.
3y-3x=12
y=x+4
200
Find the y-intercept of the line x-6y=12
(0,-2)
200
Which axis does the equation x=-7 go through and where?
x-axis at -7
300
What are two characteristics of slope?
its a constant - no letter and constantly the same number
its a ratio- fraction
300
What is the slope of the line that passes through the points (−5,−9) and (−5,−13)? Write your answer in simplest form.
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300
Rewrite the following equation in standard form.
y = 4x + 1
-4x + y = 1
300
Find the x-intercept of the line 14x–11y=–1.
(-1/14,0)
300
Which axis does the equation y=4 go through and where?
y axis at 4
400
How do you put an equation into slope-intercept form?
get y by itself
400
A line has a slope of 1 and includes the points (6,–2) and (–2,y). What is the value of y?
-10
400
Rewrite the following equation in slope-intercept form.
y − 7 = –5(x − 10)
y = -5x + 57
400
Find the x- and y-intercepts of −6x+y=25. State each answer as an integer or an improper fraction in simplest form.
x-intercept: (−25/6,0)
y-intercept: (0,25)
400
When x=0, what is the slope?
Undefined
500
How do you put an equation in standard form?
Ax+By=C
Get x and y together
500
A line with a slope of –8 passes through the points (-6,0) and (–5,y). What is the value of y?
y=-8
500
What is the equation of the line?
y=−5/6x−5
500
Find the x- and y- intercept of the line 10x+14y=–18.
(-9/5,0)
(0,-9/7)
500
When y=-2, what is the slope?
0