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Trivia/Knowledge
Trivia/Knowledge 2
Slope
y-intercept
Point-Slope Form
100
What does slope-intercept form look like?
y = mx + b
100
In what two situations would you use point-slope form?
When you have a point and the slope, or two points.
100
What is the slope of the line represented by the equation y=2x+7.
2 or 2/1
100
What is the y-intercept of the line represented by the following equation: y=12x + 15
15, or (0,15)
100
Write an equation, in slope intercept form, for the line containing the points (2,-2) and (5,-5)
y = -x or y = -1x
200
What does point-slope form look like?
y - y1 = m(x - x1)
200
Give one example of a word you would look for to identify slope in a written description.
"per", "for each", "for every", "at a rate of"
200
What is the slope of the line represented by the equation y=3/4x - 12?
3/4
200
What is the y-intercept of the line represented by the following equation: y = -10 - 6x
-10, or (0,-10)
200
Write an equation, in slope intercept form for the line containing the points (-3,6) and (2,1)
y = -x + 3
300
What is the slope formula?
y2 - y1 / x2 - x1
300
What are some words you would use to help you identify the y-intercept in a written description.
"initial value", "initial fee", "deposit", "installation"
300
What is the slope of the line represented by the equation y-10=8(x-24)
8
300
What is the y-intercept of the line represented by the following equation: y = 7/8x
0, or (0,0)
300
Write an equation, in slope-intercept form, that contains the points (0,2) and (2,6)
y = 2x + 2
400
In slope-intercept form, where is the slope located?
Next to x
400
What is the value of x at the y-intercept.
0
400
What is the slope of the line represented by the equation x=-15
Undefined
400
What is the y-intercept of the line represented by the equation y - 8 = 9(x - 4)
-28 or (0,-28)
400
Write an equation, in slope-intercept form, for the line containing the points (1,7) and (2,12)
y = 5x + 2
500
In point-slope form, where is the slope located?
Outside of the parentheses
500
How do you know your equation is in slope-intercept form?
y is by itself
500
What is the slope of the line containing the points (25,-15) and (22,36)?
-17 or -17/1
500
What is the y-intercept of the line contain the points (2,5) and (-6,21)
9 or (0,9)
500
Write an equation, in slope-intercept form, for the line containing the points (2,9) and (-4,-9)
y = 3x + 3