1) What type of slope is shown on the graph? a) Positive b) Negative c) Zero d) Undefined 2) Which equation matches the graph? a) y = -2x + 7 b) y = -1/2x + 7 c) y = 1/2x + 7 d) y = 2x + 7 3) What type of slope is shown on the graph? a) Positive b) Negative c) Zero d) Undefined 4) Which graph shows a car that is not moving? a) A b) B c) C d) D e) E f) F 5) Which equation matches the graph? a) y = 4x - 2 b) y = 4x + 2 c) y = 1/4x - 2 d) y = x - 2 6) What type of slope is shown on the graph? a) Positive b) Negative c) Zero d) Undefined 7) What is the slope of the equation? a) -5 b) 5 c) 1/3 d) 3 8) Which equation matches the table? a) y = -2x + 4 b) y = 6x + 6 c) y = 1/2x + 6 9) What is the y-intercept of the equation? a) 2 b) 5 c) -2 d) -5 10) What does the y - intercept represent ? a) The rate of change b) The initial amount c) The independent variable ( time ) d) The dependent variable (gallons) 11) What is the y-intercept? a) 10 b) 20 c) -4 12) What is the x-intercept? a) 10 b) 20 c) -4 13) The graph represents the cost of two different cab companies. Jack lives 3 miles away, which cab company should he choose? a) Yellow Cab b) Blue Cab 14) The graph represents the cost of two different cab companies. At what point is the cost of the cab companies the same? a) At 3 miles, they are both $8 b) At 2 miles, they are both at $10 c) They are never the same 15) One, none, or infinite solutions (look at the slopes) : y = 3x + 2 and y = 3x -6 a) One b) None c) Infinite 16) what is the slope of the line perpendicular to the line y = 3x + 4 a) -3 b) 1/3 c) -1/3 17) what is the equation of the line? a) y = -2x + 5 b) y = -2/3x + 5 c) y = 3/2x + 5 18) if two lines are parallel, then there are no solutions. a) true b) false

Linear Relationships Review

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