Activity #3
Direction: Read and analyze the following questions. Encircle the letter of the
COITect answer.
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1. Which of the following quadratic functions is in the general form?
a. y = 1 - 22
b. y = 2(x - 4)2 + 5
© y = 2x2 + 7x + 8
2. Which of the following is a quadratic function in the standard form?
d. y = (x + 1)(x + 3)
a. y = -2- 3x
c. y = 10 - x2
b. y= (x + 3)2 + 7
d. y = (x - 2)(x-7)
3. Which of the following quadratic functions is not in the vertex form?
a. y = 6x2 - 5x + 1
c. y = (x - 0)2 + 1
b. y = -(x + 2)2 + 5
d. y = 3(x - 1)2
4. Transform the quadratic function y = x2 + 2x + 3 in standard form.
a. y = (x + 1)2 + 2
c. y = (x + 1)2 + 4
b. y = (x + 1)2 + 3
d. y = (x + 2)2 + 3
5. Which of the following is the vertex form of the quadratic function y = x2 - 5?
Cy= (x - 5)2
c. y = (x - 0)2 - 5
b. y = (x + 5)
d. y = (x - 0)2 + 5
6. Transform the quadratic function y = (x + 3)2 + 4 in general form.
a. y = x2 + 3x + 4
c. y = x2 + 6x + 9
b. y = x2 + 9x + 4
d. y = x2 + 6x + 13
7. Which of the following is the general form of the quadratic function y=
2(x + 5)2 - 12
a. y = 2x2 + 10x - 1
c. y = 2x2 + 25x + 49
b. y = 2x2 + 20x + 49
d. y = 2x2 + 20x - 50
8. Transform the quadratic function y = 2x2 – 8x +5 in the form y = a(x – h)2 +
k
a. y = 2(x - 4)2 + 5
c. y = 2(x - 2)2 – 3
b. y = 2(x - 4)2 +
d. y = 2(x - 2)+ 5
9. Which of the following is the first step in transforming quadratic function
from general to standard/vertex form?
a, Group the terms containing the variable x.
b. Factor out the value of a.
c. Completing the square
d. Express the perfect square trinomial as a square of binomial.​