Slope
Slope-Intercept Form
Direct Variation
Point-Slope Form
Standard Form
100
Find the slope of the line that passes through the points (1,3), (5,5)
What is 1/2
100
Identify the slope and y-intercept y= 2x + 4
What is m = 2, y = 4
100
Determine whether each equation represents a direct variation. If it does, find the constant of variation. 8x + 9y = 10
What is No
100
Write an equation in point-slope form of the line that passes through the point and slope. (3, -4), m = 6
What is y + 4 = 6(x - 3)
100
Find the x- and y-intercepts of the graph of -3x + 3y = 7
What is -7/3, 7/3
200
Find the slope of the line that passes through the points (4,4), (5,3)
What is -1
200
Identify the slope and y-intercept y = -x - 3
What is m = -1, b = -3
200
Determine whether each equation represents a direct variation. If it does, find the constant of variation. -4 + 7x + 4 = 3y
What is Yes; 7/3
200
Write an equation in point-slope form of the line that passes through the point and slope. (-2, -7), m=4/5
What is y + 7 = 4/5(x + 2)
200
Find the x- and y-intercepts of the graph of 7x - y = 21
What is 3, -21
300
Find the slope of the line that passes through the points (2, -3), (5, -4)
What is -1/3
300
Write an equation in slope-intercept form of the line that passes through the points (0,3), (2,5)
What is y = x + 3
300
Suppose y varies directly with x. Write a direct variation equation that relates x and y. Then find the value of y when x = 12 y = 125 when x = -5
What is y = -25x; -300
300
Write an equation in point-slope form of the line that passes through the points (1, 4) (-1, 1)
What is y - 4 = 3/2(x - 1)
300
Write the equation in standard form y + 3 = 4(x - 1)
What is 4x - y = 7
400
Without graphing tell whether the slope of a line that models each linear relationship is positive, negative, zero, or undefined The total cost, including shipping, for ordering five uniforms is $66. The total cost, including shipping, for ordering nine uniforms is $114.
What is Positive, 12
400
Write an equation in slope-intercept form of the line that passes through the points (-2,4), (3, -1)
What is y = -x + 2
400
Suppose y varies directly with x. Write a direct variation equation that relates x and y. Then find the value of y when x = 12 y = 10.4 when x = 4
What is y = 2.6x; 31.2
400
Write an equation in point-slope form of the line that passes through the points (2, 4), (-3, -6)
What is y - 4 = 2(x - 2)
400
Write the equation in standard form y + 2 = 2/3(x + 4)
What is 2x - 3y = -2
500
Find the slope of the line that passes through the points (-1, 3), (-1, -1)
What is Undefined
500
Identify the slope and y-intercept 2y + 4n = -6x
What is m = -3, b = -2n
500
The perimeter p of a regular hexagon varies directly with the length L of one side of the hexagon. What is an equation that relates p and L?
What is p = 6L
500
Is y - 4 = 3(x + 1) an equation of a line through (-2, 1)?
What is Yes
500
Double Jeopardy!!! Find the x- and y-intercepts of the line that passes through the points (-6, 4), (3, -5)
What is -2, -2
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