Circles Which equation represents circle O with center (-4,5) and radius of 6? (x-4 ) 2 + (x+5 ) 2 = 6 (x+4 ) 2 + (x-5 ) 2 = 6 (x-4 ) 2 + (x+5 ) 2 = 36 (x+4 ) 2 + (x-5 ) 2 = 36 Perpendicular/Parallel What is the slope of a line perpendicular to the line whose equation is 8x + 7y = 10? 1) 8 7 2) − 8 7 3) 7 8 4) − 7 8 The lines represented by the equations y + 3 4 x = 6 and 3x + 4y = 16 1) The same line 2) parallel 3) perpendicular 4) neither Locus Towns A and B are 12 miles apart. How many points are 8 miles from town A and 12 miles from town B? 1) 1 2) 2 3) 3 4) 0 A man wants to plan a new statue in his yard so that it is 20 feet from a fence, f, and also 12 feet from a light pole, P. As shown in the diagram below, the light pole is 35 feet away from the fence. f P 20 ft

In the coordinate plane, what is the total number of points 6 units from the origin and 3 units from the X-axis? 1) 1 2) 2 3)4 4)0 On the set of axes below, sketch the points that are 4 units from the origin and sketch the points that are 3 units from the line x = 5 Quad/Linear Systems Triangles Which set of numbers could not be the lengths of the sides of a right triangle? {3,4,5} 2) {12,24,25} 3) {12,16,20} 4) {8,15,17} In triangle ABC, m<A = 60 and m<C = 40. Which of the following is true 1) AC<BC<AB 2) AB<BC<AC 3) AB<AC<BC 4) BC<AC<AB

Do the diagonals bisect (cut in half) each other? MIDTERM REVIEW Name_______________________________________________ In the diagram below, triangle RST is a 6-8-10 right triangle. The altitude, h, to the hypotenuse has been drawn. Determine the length of h. 8 10 6 h b a R S T Do the diagonals bisect (cut in half) each other?

98 x 30 56 90 x C B A E D Find the value of x. The degree measures of the angles of triangle ABC are represented by 2x, 5x, and 6x + 11. Find x. If two sides of a triangle are 12 and 3 which of the following could be the third side? 1) 15 2) 5 3) 10 4) 13 In the diagram below of triangle ACD, E is a point on AD and B is a point on AC, such that EB||DC. If AE = 7, ED = 13, and DC = 30, find the length of EB. C B A E D