The equation of the line in point-slope form that has m = -3 and a point (-4,-7).
What is y+7 = -3(x+4) ?
200
The standard form of the equation y=3x+12.
What is y-3x=12?
200
The slope of perpendicular lines.
What are opposite and reciprocal?
200
Approximating a value outside the range of known values.
What is 'extrapolation' ?
300
Change to slope-intercept form: y +3x = 20
What is y=-3x+20
300
Write an equation in point-slope form of the line that passes through (6,-2) & (12,1).
What is y+2=1/2(x-6) or y-1=1/2(x-12)
300
Write an equation in standard form of the line that passes through (4,-1), m=3.
What is y-3x=-13 ?
300
The equation of the line that passes through (-1,3) and is parallel to y=2x+2.
What is y=2x+5 ?
300
The zero of f(x)=1/8x+2.
What is 'x=-16' ?
400
Write in slope-intercept form: 2y - 4x = 12
What is y = 2x + 6
400
The equation of the line in point-slope form that contains (2,4) & (7,8).
What is y-4=4/5(x-2) or y-8=4/5(x-7) ?
400
Write an equation of the horizontal line that passes through (3,2).
What is y=2 ?
400
The equation of the line that passes through (-9,2) and is perpendicular to y=3x-12.
What is y=-1/3x-1 ?
400
The equation C=513n-5258 models the cost(C) of a sailboat as a function of its length(n) in feet. The approximate cost of a sailboat that is 20 feet long.
What is $5002?
500
Write in slope-intercept form: (-3, -1), m= 4
What is y = 4x + 11
500
The equation of the line in point-slope form with m=7/8 & b=-3.
What is y+3=7/8x ?
500
The slope of Ax + By = C.
What is -A/B ?
500
The slope of the line that is perpendicular to 4y+2x=12.
What is '2' ?
500
The table shows the living space recommended for pigs of certain weights.
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Weight(lbs) 40 60 80 100 120 150 230
Area(sq ft) 2.5 3 3.5 4 5 6 8
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The scatter plot of the data & its equation of the line of best fit.