1) Line A has equation y = 3x + 2. Write down the gradient of line B that is perpendicular, and a possible equation for B. a) y = -(1/3)x +4 b) y = x + 4 c) y = x - 4 d) y = 2/3x + 4 2) The diagram shows the line with equation y = 3x + 2 and two other lines, A and B, parallel to it. What is the gradient of the line A ? a) 2 b) 1 c) 3 d) 0 3) The graph shows two lines, A and B. What is the gradient of the line B ? a) 3 b) 2 c) -(2/3) d) 2/3 4) Find the equation of the line parallel to y = 2x + 4 which passes through the point (4, 9). a) y = 2x + 1 b) y = x + 1 c) y = 2x + 5 d) y = 3x + 1 5) Find the equation of the line perpendicular to y = 2x − 3 which passes through the point (−2, 5). a) y = 2x + 4 b) y = 1/2x + 4 c) y x =4 d) y = 2x + 3 6) Find the equation of the line that is: parallel to y = 2x + 1, and passes though the point (5,4) a) y = 2x + 6 b) y = x − 6 c) y = 2x − 6 d) y = 5x − 6 7) Find the equation of the line that is perpendicular to y = −4x + 10; and passes though the point (7,2) a) y = x - 4 b) y = x/4 + 1/4 c) y = 2x + 4 d) y = x + 4 8) Calculate the gradient of the line that is perpendicular to the line y=−0.4x+3. a) 5/2 b) 2 c) 5 d) 0.4 9) State the gradient, m and the y - intercept c , for the equation y = - 5x + 9 a) m = 3 ; c = 9 b) m = -3 ; c = 5 c) m = 3 ; c = 5 d) m = - 5 ; c = 9 10) Which equation is parallel to the line y=4x+3? a) y = 7 + 4x b) y = 2x + 5 c) y = - 4x + 3 d) y -x/4 + 3

COORDINATES: Find the gradients of parallel and perpendicular lines.

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