2nd Periodic Exam

MAGALLANES NATIONAL HIGH SCHOOL 2nd Periodic Test MATH 10 I.

Multiple Choice. Choose only the letter of the correct answer. 1. Which of the following is not a polynomial function? a. x3 – 5x2 + 2x – 3 b. x2/4 – 3 c. 1/x2 + 5 2. Which is a polynomial function? a. 4x3 + 9x – 5x2 + 7

1

b. 3𝑥+6

c. √4𝑥 − 5

d. x3 – 8 d. x3 – 4x-2 + 5

3. Which of the following is an x- intercept of x3 – x – 6? a. 2 b. 3 c. 4 d. 8 4. What are the x-intercepts of x2 – 2x – 8 ? a. 2 & -2 b. 1,2 & 3 c. 3,-3 & 4 d. 4 & -2 5. Which polynomial functions can have 1 as one of its y-intercept? a. x3 – 4x2 + 5x + 2 b. 3x2 – 4x + 1 c.4x3 + 2x – 5 d. x3 – 5x2 – 7x + 2 6. What is the behavior of the graph of y = x3 – 5x2 + 2x – 3 ? a. rising – rising b. rising – falling c. falling – falling d. falling - rising 7. It is a line segment whose endpoints are on the circle. a. radius b. diameter c. chord d. center 8. What is an angle whose vertex is on the circle and whose sides contain chords of the circle? a. central angle b. inscribed angle c. intercepted angle d. right angle 9. What is the sum of the measures of the central angles of a circle? a. 120 b. 240 c. 360 d. 180 10. If an inscribed angle of a circle intercepts a semicircle, then the angle is __. a. acute b. right c. obtuse d. straight 11. An arc that is greater than the semicircle. a. minor arc b. major arc c. intercepted arc d. arc length 12. Two circles with congruent radii. a. congruent circles b. intersecting circles c. Similar circles d. tangent 13. A region bounded by an arc of the circle and the two radii to the endpoints of the arc. a. segment of a circle c. sector of a circle b. Arc length d. central angle 14. What is the measure of the subtended arc if its central angle is 60? a. 120 b. 30 c. 180 d. 60 H 15. What is the area of a sector with central angle of 45 85 and a radius of 8cm? 97 a. 2 b. 4 c. 6 d. 8 16. What is the measure of the intercepted arc if the C 103 inscribed angle is 40? a. 20 b. 40 c. 80 d. 60 A For 17 – 20, use the figure at the right. 17. What is the mCRA? R a. 83 b. 43.5 c. 184 d. 283

18. What is the mHAR? a. 103 b. 51.5 19. What is the mHA? a. 42.5 b. 85 20. What is the mCRA? a. 194 b. 51.5

II.

c. 87

d. 206

c. 170

d. 195

c. 97

d. 206

SOLVING. Solve as required. Show all your solutions.

1. Graph the function y = ( x + 3 ) ( x + 1)2 ( x – 2 )2 ( x – 4 ). 2.

B A If mAB = 70 and AC  BC, find mBAC.

C 3.

R If m AP = 10 cm and m AT = 6 cm, find m RS.

 A

P

T

Q

S 4.

P

120  Q

If PQR is 120, find the area of its sector and segment and the length of its arc length if r = 6 m. R

“GOD BLESS!!!” Prepared by: CHARLOTTE S. LUSDOC T-III