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slope Graph lines Direct var par. & perp Function Relations 100 100 100 100 100 200 200 200 200 200 300 300 300 300 300 400 400 400 400 400 500 500 500 500 500 Answer: Find the slope of the line containing the points ( 7, -3) & ( -2, 4) Question: -7/9 100 Answer: The slope of the line y = -5 is… Question: zero 200 Answer: Find slope and yintercept of the line 4x – 8y = 16 Question: slope = ½ y-int = -2 300 Answer: Find the slope of the line x = 5 Question: undefined or no slope 400 Answer: Find x if the slope between the points (8,4) & (x,-2) is 2/3 Question: x = -1 500 Answer: Graph y = 3/4x – 2 using a table. Question: see graph 100 Answer: Graph 5x – 4y = 20 using x & y intercepts Question: see graph 200 Answer: Write the equation x+ 3y – 3 = 0 in slopeintercept form and graph using slope in y-int. Question: see graph 300 Answer: solve -5x + 4 = 12 - 3x graphically Question: see graph x = -4 400 Answer: graph y = -5 Question: horizontal line at y=-5 500 Answer: Find the constant of variation of the equation Y=1/4x Question: 1/4 100 Answer: The variables x and y vary directly. Write a direct variation model that relates x and y when x = -9 and y= 18 200 Question: y = -2x Answer:The variables x and y vary directly. Write a direct variation model that relates x and y when x = -18 and y = 12 300 Question: y = -2/3 x Answer: Graph the direct variation model y=-3x Question: see graph 400 Answer: The variables x and y vary directly. If when x = 10 and y = 4; find x when y = 18 Question: x = 45 500 Answer: Parallel lines have ________ slopes. Question: the same 100 Answer: Perpendicular lines have ________ slopes. Question: negative reciprocal slopes 200 Answer:The following two lines are a) parallel b) perpendicular c) neither Y= 1/3x -7; 6x + 2y = 4 300 Question: perpendicular Answer:The following two lines are a) parallel b) perpendicular c) neither Y= 5 - 4x; -8x + 2y = -6 400 Question: neither Answer:The following two lines are a) parallel b) perpendicular c) neither -15x = -3y - 6; -20x + 4y = 16 Question: parallel 500 Answer: Evaluate the function f(x) = x^2 +3x For x= -4, -2, 3 Question: 4, -2, 18 100 Answer: Write the equation 4x -3y = 12 in function form, so y is a function of x Question: y = -4 + 4/3x 200 Answer: Does this graph represent a function? Explain. Question: no 300 Answer: Find the slope of the linear function f(-3) = 5 , f(2) = -8 Question: -13/5 400 Answer: If f(x) = 3x-5 and g(x) = x^2 - 4x + 8 • Find g( f( 3)) Question: 8 500