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Question 1 (1 point) What is the vertex of / (x) = -(x+2)2 -9? O (-2, -9) O (2, -9) O (-2, 9) O (-2,
Question 1 (1 point) What is the vertex of / (x) = -(x+2)2 -9? O (-2, -9) O (2, -9) O (-2, 9) O (-2, 9) Question 2 (1 point) What are the x-intercepts of this function? f (x) = (x + 2) (x -6) O 2 and -6 O-2 and 6 Question 3 (1 point) When you complete the square for the following function, what do you end up with? f(x) = x- +4x -7 Of (x ) = (x+4)2 -7 Of ( x) = (x+2)2 -111. Solve the following triangles. (Using any of the laws or ratios that we have learned) b) 550 20 20 c) d) 719 6 9.Rem C 2. Solve for all the sides and angles of the following triangle, using SINE LAW. 16.1 21 263. Solve for all the sides and angles of the following triangle, using COSINE LAW. 25 cm 97 - 16 cm C 4. A bicycle race follows a triangular course. The 3 legs of the race are, in order, 2.3 km, 5.9 km, 6.2 km. Find the angle between the starting leg and the finishing leg, to the nearest degree. 5.9 km 2.3 km, C A 6.2 km
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