Math 9
I. MULTIPLE CHOICE: Write the letter of the correct answer in your answer sheet.
8
2
1. A vertical line through the vertex that divides the graph into two equal parts is called
a range
b. X-axis
c. domain
d. axis of symmetry
2. The turning point of the parabola is called
a. axis of symmetry
b. domain
d. vertex
c. range
3. The direction of the parabola if the value of a < 0
a. downward
b. upward
c. to the right
d. to the left
Formula: 2n?
of electrons
MaX]mum number
d. y = x2 + h
d.(-3,5)
4. The vertex form of of a quadratic function is written as
a. y = ax2 + bx + c
b. y= a(x-h)
c. y = a (x - h)2+k
5. The vertex of the quadratic function f(x) = (x + 3)2-5 is,
a. (3,-5)
b. (-3,-5)
c. (3,5)
6. The maximum point of the quadratic function f(x) = -3x2 +6x +6 is
a. (-3, 6)
b.(3,-6)
c. (1,-9)
7. What is the range of the quadratic function y=(x - 6)2 – 3?
a.y23
b.y20
c. y 3-3
8. The axis of symmetry of the function y = (x - 2)2 + 3 is
a. X+2=0
b. X+3= 0
C. X= 2
d. 1,9)
d. y so
d. x= -2
d. equal and not equal
9. The quadratic function y=-2x2 + 4x - 3 has
a. real and unequal zeros
b. real and equal zeros c. no real zeros
16
10. The product of the zeros of the quadratic function y=-3x2 -2x +5 is
b.
11. The sum of the zeros of the quadratic function y=-3x2-2x +5 is
2
b.
c. -2
3
d.
5
3
d.
3
a.
3
12. The maximum point of the quadratic function f(x) = -3x2 + 6x +6 is
a. (-3,6)
leb. (3,-6)
c. (1,9)
d.(-1,9)
13. Evaluate the quadratic function if f(x) = 2x2 shifted 5 units to the right and 3 units downward.
a. f(x) = 2x2+3 b. f(x) = 2 (x2+5) - 3 c. f(x) = 2(x2-5) + 3 d.f(x) = 2x2 – 3
14. Evaluate the graph of y= x2-3 is obtained by sliding the graph of y= x2
a. 3 unit upward b. 3 unit downward c. 3 units to the left d. 3 units to the right
1
15. What is an equation of a quadratic function whose zeros are twice the zeros of y= 2x2 - X - 10?
a. f(x) = 2x2 - 20x + 20 b. f(x) = x2 – X-20 c. f(x) = 2x2 - 2x-5 d. f(x) = 2x2 - 2x - 10
16 It is the set of all real numbers of a quadratic function.​