2nd Periodical Test in Math 10
2nd Periodical Test in Math 10
S.Y. 2018-2019
_____1. In the polynomial function defined by 𝑓(𝑥) = 𝑎𝑛 𝑥 𝑛 + 𝑎𝑛−1 𝑥 𝑛−1 + 𝑎𝑛−2 𝑥 𝑛−2 + ⋯ + 𝑎2 𝑥 2 + 𝑎1 𝑥 + 𝑎0 for
what set of values is n?
A. rational number B. integer C. whole number D. counting number
_____2. Which of the following is a fourth degree polynomial function?
A. 𝑓(𝑥) = 4 − 4𝑥 + 4𝑥 2 C. 𝑓(𝑥) = 3𝑥 −4 + 2𝑥 2 − 4
4
B. 𝑓(𝑥) = 3 𝑥 + 25 D. 𝑓(𝑥) = −3𝑥 4 + 𝑥 2 − 10
_____3. What is the leading coefficient of the polynomial function 𝑓(𝑥) = 9 − 2𝑥 + 6𝑥 2 + 4𝑥 3 ?
A. 3 B. 4 C. 6 D. 9
_____4. Which of the following is TRUE about the graph of the function 𝑓(𝑥) = (3𝑥 − 2)(𝑥 + 4)(−𝑥 + 1)2 ?
I. There are three turning points.
II. The behavior of the end part is both rising.
2
III. The x-intercepts are 1, -4, and .
3
A. I B. II C. III D. all of the above
For number 5-7, refer to the table given.
(-∞,-2) (-2 , 2) (2 , 4) (4 , ∞)
(x+2) - + + +
(x-2) - - + +
(x-4) - - - +
(x+2) (x-2) (x-4) - + - +
_____5. Which polynomial function best described the table of signs?
A. 𝑓(𝑥) = 𝑥 3 − 𝑥 2 − 4𝑥 − 16 C. 𝑓(𝑥) = 𝑥 3 − 4𝑥 2 − 4𝑥 + 16
B. 𝑓(𝑥) = 𝑥 3 − 4𝑥 2 − 4𝑥 − 16 D. 𝑓(𝑥) = 𝑥 3 − 𝑥 2 − 4𝑥 + 16
_____6. For what interval/s is the function above the x-axis?
A. (2 , 4) and (4 , ∞) B. (-∞,-2) and (-2 , 2) C. (-2 , 2) and (4 , ∞) D. (-∞,-2) and (2 , 4)
_____7. For what interval/s is the function below the x-axis?
A. (2 , 4) and (4 , ∞) B. (-∞,-2) and (-2 , 2) C. (-2 , 2) and (4 , ∞) D. (-∞,-2) and (2 , 4)
_____8. In the figure at the right, which polynomial function best describes the graph?
A. 𝑓(𝑥) = 𝑥(𝑥 + 1)(𝑥 − 2)
B. 𝑓(𝑥) = −𝑥(𝑥 + 1)(𝑥 − 2)
C. 𝑓(𝑥) = 𝑥 2 (𝑥 + 1)(𝑥 − 2)
D. 𝑓(𝑥) = −𝑥 2 (𝑥 + 1)(𝑥 − 2)
_____13. For what set of values of a and n will you consider so that the function
𝑓(𝑥) = 𝑎𝑥 𝑛 could define the graph on the right?
A. a is negative, n is odd
B. a is negative, n is even
C. a is positive, n is odd
D. a is positive, n is even
_____14. Edna wants to help her classmate in sketching the graph of 𝑓(𝑥) = 𝑥 4 − 16 using The Leading
Coefficient Test. What clue should she give?
A. The graph falls to the left and rises to the right C. The graph rises to the left and falls to the right
B. The graph rises to both left and right D. The graph falls to both left and right
_____15. What do you call the set of all points on a plane equidistant from a fixed point called the center?
A. circle B. equiangular C. equilateral D. regular polygon
_____16. What do you call an angle whose measure is equal to the measure of its intercepted arc?
A. inscribed angle B. central angle C. circumscribed angle D. intercepted angle
_____17. What do you call the part of the circumference of a circle intercepted by central angle?
A. chord B. secant C. arc D. intercepted angle
_____18. The measure of the longest chord on a circle is 20 cm. What is the measure of its radius?
A. 5 cm B. 10 cm C. 15 cm D. 20 cm
_____19. What kind of inscribed triangle is formed when its longest side is the diameter of a circle?
A. acute triangle B. right triangle C. obtuse triangle D. cannot be
determine
̅̅̅̅
𝐴𝐶 and ̅̅̅̅
𝐵𝐷 are diameters of circle O.
AO = 10 cm
_____20. What is the degree measure of arc AD?
A. 45o C. 90o
o
B. 60 D. 100o
_____21. Which statement is NOT TRUE about the chords ̅̅̅̅ ̅̅̅̅ ?
𝐴𝐷 and 𝐶𝐷
A. 𝐴𝐷 = 𝐶𝐷 ̅̅̅̅ ̅̅̅̅
B. 𝐴𝐷 ≅ 𝐶𝐷 C. 𝐴𝐷 + 𝐶𝐷 = 𝐴𝐶 D. 𝐴𝐷 = 𝐶𝐷 =
10√2
_____22. What is the length of arc AD ?
𝜋
A. 2 B. 5𝜋 C. 10𝜋 D. 20𝜋
_____23. What is the region bounded by central angle and its intercepted arc?
A. area of a circle B. sector of a circle C. segment of a circle D. circumference
_____24. In the figure on the right, if the measure of arc AC is 78o, what is the measure of ∠𝐴𝐷𝐶?
A. 19.5o C. 58o A C
B. 39o D. 78o
_____26. Quadrilateral ABCD is inscribed in a circle. What is the sum of the measures of two opposite angle of the
quadrilateral?
A. 90o B. 135o C. 180o D. 360o
_____27. Point A is an external point of circle X. How many lines you could possibly draw that is tangent to circle X
and passes through point A?
A. 1 B. 2 D. 3 D. infinite
_____28. If the measure of arc AC= 146𝑜 and the measure of arc
𝐶𝐷 = 84𝑜 , what is the measure of ∠𝐴𝑈𝑉?
A. 31o C. 62o
o
B. 42 D. 73o
_____30. What is the measure of ∠𝐸𝑌𝐷 if the measure of arc ED= 24𝑜 and the measure of arc 𝐴𝐵 = 88𝑜 ?
A. 31o B. 44o C. 56o D. 61o
⃖ and 𝐵𝑋
_____32. In the figure, 𝐴𝑋 ⃖ are secant of circle O. Which of the
following statements is TRUE?
A. AX(BC) = BX(AD) C. AD(AX) = BC(BX)
B . AX(DX) = BX(CX) D. AD(DX) = BC(CX)
_____33. Which of the following is perpendicular to a line tangent to a circle at the point of tangency?
A. arc B. chord C. radius D. secant
_____34. What is the appropriate term for the given figure at the right?
A. common internal tangent C. externally tangent circles
B. common external tangent D. internally tangent circles
_____35. If two tangent segments are drawn to a circle from an external point, then the two tangent segments are
____.
A. congruent B. parallel C. perpendicular D. similar
_____36. The angle between two secants intersecting in the exterior of the circle is 80°. If one of the intercepted
arcs is 200°, what is the measure of the other arc?
A. 30° B. 40° C. 50° D. 60°
_____37. Which of the following equations is TRUE about the distance d between the points (1, 1) and (3, -4)?
A. 𝑑 = √(1 − 3)2 + (1 − 4)2 C. 𝑑 = √(1 + 3)2 + (1 + 4)2
B. 𝑑 = √(1 − 3)2 + (1 + 4)2 D. 𝑑 = √(1 + 3)2 + (1 − 4)2
_____39. What is the value of x if the points X(2, 3) , Y(5 , 6) , and Z(x , 0) forms a right triangle with right angle at X?
A. 2 B. 3 C. 4 D. 5
_____43. If ABCD is a rectangle, A(-6,1), B(-4,6), C(6,2), what should be the coordinates of D?
A. (4,3) B. (4,-3) C. (-4,3) D. (-4,3)
_____44. What is the coordinates of the other endpoint of a line segment with one endpoint at (6,2) and midpoint at
(-4,-1)?
A. (2,1) B. (10,3) C. (7,2) D. (-14,-4)
KEY TO CORRECTION
1 C 16 B 31 B
2 D 17 C 32 B
3 B 18 B 33 C
4 D 19 B 34 D
5 C 20 C 35 A
6 C 21 C 36 B
7 D 22 B 37 B
8 C 23 B 38 D
9 B 24 B 39 C
10 D 25 B 40 D
11 C 26 C 41 C
12 B 27 B 42 C
13 A 28 A 43 B
14 B 29 B 44 D
15 A 30 C 45 A