Math Homework: Final Review [Directions: With our group members race against the clock and other teams to correctl answer the given questions in each round. Your team will have two attempts to correctl answer each question. After ou finish answering all questions in the round, have one person bring our team s answer sheet up to the teacher. For each correct answer our team will receive points. Go back to our team to correct wrong answers. Once done, turn our answer sheet into the teacher. Each correct answer will add point to our final score for the round. Continue for each round.] Round One Questions:. Which expression is equivalent to? 3. Jessica has $5. She bought 3 apples for x dollars each. Levi had $7 and bought 5 apples for x dollars each. Which expression represents how much mone both Jessica and Levi have left altogether?. A square has a side length of. Which expression is equivalent to the area of the square minus the perimeter of the square? 4. Which expression is equivalent to? 5. Which expression is equivalent to? 7. Which value is a zero of the function defined b? A. 9 B. C. 4 9. Jason kicked a ball into the air. The function h(t) = 80t - t models the height of the ball, in feet, t seconds after it was kicked. How long does it take the ball to hit the ground? A..5 seconds B. 5 seconds C. 8.5 seconds 0 seconds. What is the value of the larger zero of the function defined b? A. 9 B. 3 C. -3-9 8. What are the zeroes of the function defined b x +9x+4? A. -7, - B. -7, C. -, 7, 7 0. A rock is thrown up from the ground at a velocit of 84 feet per second. The formula gives the rock s height in feet after t second. What is the maximum height of the rock? A. 8 feet B. 84 feet C. 0 feet 79 feet..
. Which graph shows the solution set to? Round Two Questions: 4. The difference between two numbers is one. Three times the larger number minus two times the smaller number is 9. What is the value of the larger number? A. 5 B. 7 C. 8 5. A sstem of inequalities is shown below. Which point is a viable solution to the sstem? A. (4, -) B. (3, ) C. (5, -) (7, 0). Which graph shows the solution set to the sstem? x- 4x+3>9. The function h(t) =,000(0.95) t models the size of a mold culture t hours after being treated. What is the most appropriate domain for this function? A. all integers B. positive integers C. all rational numbers positive rational numbers 7. Which point approximatel lies on the graph of the exponential equation with an initial value of 5 and a growth of.75%? A. (, 0.45) B. (3, 3.09) C. (5, 50.5) (4,.93) 3. In which graph is a function of x? 8. Which choice could be modeled b an exponential function? A. the speed of a car that is decreasing b 3 mph ever minute B. the number of push-ups a person does each da if the number of push-ups increases b each da C. the amount a person gets paid if the person s pa increases b percent each ear the number of students in a class if no students join or leave the class 9. Which expression is equivalent to (3x 5 + 7x 3 ) + (-x 5 )? A. X 5 + 7x 3 7 B. 5x 5 + 7x 3 + 7 C. X 5 x 3 -x 5 + 7x 3 + 0. Which is an equation of the function graphed below? A. B. C.
. Which of these transformations are isometries? (I) parallelogram EFGH parallelogram XWVU Round Three Questions: 5. Name the congruent angles and sides for the pair of congruent triangles. (II) hexagon CDEFGH hexagon YXWVUT A B C D. The difference in the measures of two supplementar angles is 7. What is the measure of the smaller angle? (III) triangle EFG triangle VWU A. 4 B. C. 8 5 A. I onl B. II and III onl C. I and III onl I, II, and III. A tree casts a shadow that is 50 feet long. If the angle of elevation from the tip of the shadow to the top of the tree is 30, how tall is the tree to the nearest foot? 7. A container is in the shape of a square pramid. The length of the side of the square measures inches. The height of the container is 9 inches How much water will the container hold? A. 8 cubic inches B. cubic inches C. 08 cubic inches cubic inches 8. Jessie is working on the roof of her house. She has measure the angles of the roof and the length of the roof. Determine the width of the house. A. 87 feet B. 0 feet C. feet 59 feet 3. Which equation is equivalent to? 4. Find the value of. A. 8.3 ft. B. 4.57 ft. C..9 ft..5 ft. 9. The volume of sphere is 53 cubic cm. What is the approximate measure of the radius? A. 5.0 cm B.. cm C. 4.8 cm 5.0 cm 0. The volume of a clinder is 54 cubic centimeters. If the height measures 9 cm, what is the approximate diameter of the clinder? A. 3 cm B. 5 cm C. cm 9 cm
. The sum of two numbers is 4. The sum of the squares of the two numbers is 30. What is the product of the two numbers? A. 9 C. 35 B. 8 44 Round Four Questions:. Which equation has exactl one solution? A. 4x x - 9 = 0 C. 4x x 9 = 0 B. 4x + x + 9 = 0 4x + x + 9 = 0 3. A circular pond is modeled b the equation x + = 5. A bridge over the pond is modeled b a segment of the equation x 7 = 75. What are the coordinates of the points where the bridge meets the edge of the pond? A. (9, ) and (, 9) C. (9, ) and (, 9) 4. If t is an unknown constant, which binomial must be a factor of 7m + 4m tm t? A. 7m + t C. m + B. m t m - B. (9, ) and (, 9) D ( 9, ) and (, 9) 5. Which expression is equivalent to A. 9 9 x C. 4 x x x 4 8 3?. Which graph displas the function f(x)=(x+ 3)(x )? B. 4x 9 3 4 4x 7. The angle of elevation from point G on the ground to the top of a flagpole is 0. the height of a flagpole is 0 feet. Which equation could find the distance from point G to the base of the flagpole? 8. What is the approximate area of the trapezoid? A. 83 cm B. 0 cm C. 8 cm 9 cm 9. A dead tree was struck b lightening causing it to fall over at a point 0 ft up from its base. If the fallen treetop froms a 40 angle with the ground, about how tall was the tree originall? A. 3 ft B. ft C. 3 ft ft 0. An inflated round ballon with radius r=50 centimeters holds 53,00 cubic centimeters of air. When the balloon is contracted such that the radius is the original size, what is the volume of the partiall deflated balloon? A..94 X 0 4 cm B..55 X 0 5 cm C..75 X 0 5 cm 3.49 X 0 5 cm
. You sell tickets for admission to our school pla and collect a total of $04. Admission prices are $ for adults and $4 for children. You sold tickets. How man adult tickets did ou sell? Round Five Questions: 4a c. Which expression represents 3 7a c form? 8 in simplest A. B. 0 C. 0 5x 3. Which expression is equivalent to x A. 5x 5 B. 50x 3 C. 5x 4 50x 5. If varies directl with x and is 8 when x is, which of the following represents this situation? A) = 4x B) =3x C) = x D) = 3 x 4? A. -ac 4 B. -ac c 4 c C. a a 4. Which equation represents the axis of smmetr of the function x 4x. A) x= B) x=- B) x=3 D) x=-3. Suppose x and var inversel, and x = -3 when =. What is the value of when x = 9? 3 A) -9 B) - C) D) 9 9 7. The formula for the area of the trapezoid is A = h(b + b). If h 4x, b x, andb 3x x 4, which polnomial represents the area of the trapezoid? 8. The perimeter of the triangle below is A. x 3 + 8x - 8x B. 8x 3 + 8x - x C. 8x 3 + 4x - 4x x 5 + 4x 4 + 4x 3 + 8x - x 9. A compan s profit is described b the equation where x is the price in dollars that the compan charges for its product. What should the compan charge for the product to generate the maximum profit? A) $0 B) $30 C) $50 D) $0 What is the length of the missing side? A) B) C) D) 0. Which of the following functions has the same set of zeros as the function A) B) C) D)
Round : Answer each question to the best of our abilit, and then turn in our group answer sheet to Ms. Russell. Remember, the answer on our answer sheet is our final answer... 3. 4. 5.. 7. 8.