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Slope
Slope-Intercept form
Standard form
Relations and Functions
Direct Variation
100
the slope of the line y = -4x + 8
What is -4?
100
write the slope-intercept form of the equation of a line given a slope of 6/5 and a y-intercept of -7.
What is y = (6/5)x - 7
100
the standard form of a linear equation
What is Ax + By = C
100
determine if the relation is a function {(1,-2),(-2,0),(-1,2),(1,3)}
What is not a function?
100
the equation of the linear function that represents direct variation
What is y = kx?
200
the slope of the line between (9,4) and (3,8)
What is -2/3?
200
write 3x - y = 2 in slope-intercept form
What is y = 3x - 2?
200
find the x-intercept and y-intercept of the equation 3x - 5y = 30
What is x = 10 and y = -6
200
the test used to determine if a graph represents a function
What is the vertical line test?
200
determine if y varies directly with x x y 2 14 3 21 5 35
What is yes?
300
the slope of the line parallel to y = -6x -9
What is -6?
300
write the slope-intercept form of the equation of a line that goes through (1, -4) and is parallel to y = 4x + 5.
What is y = 4x - 8?
300
write the standard form of the equation of the line with a slope of -4 and a y-intercept of 8
What is 4x + y = 8?
300
find the domain of the relation {(2,9),(8,-7),(-4,6),(3,3),(5,-1)}
What is {2,8,-4,3,5}
300
determine whether y varies directly with x y - 6x = 0
What is yes?
400
the slope of the line perpendicular to y = (2/5)x -8
What is -5/2?
400
write the slope-intercept form of the equation of the line that goes through (-4, 5) and is perpendicular to y = -2x - 4.
What is y = (1/2)x + 7?
400
write the standard form of the equation of the line y = (4/7)x - 4
What is 4x - 7y = 28?
400
f(x) = 2x + 3, find f(-5)
What is -7?
400
y varies directly with x, if y = -20 when x = 2, find y when x = 14
What is -140?
500
the slope of the line 5x + 2y = 10
What is -5/2?
500
write the slope-intercept form of the equation of the line through (2,7) and (4,-1).
What is y = -4x + 15?
500
write the standard form of the equation of the line through (-6,5) and perpendicular to the line 2x + y = 7
What is x - 2y = -16
500
f(x) = (-3/5)x + 17, find f(150)
What is -73?
500
y varies directly with x; if y = (4/5) when x = (2/5), find y when x = -3
What is -6?