MULTIPLE CHOICE: Choose the letter that corresponds to the correct answer and write it o
for.
1. Which of the following is a quadratic equation?
a. 3c - 9 = 5
b. 5x2 + 12x > 9 c. t2 - 5t + 13 = 0 d. 4x2 - 3x + 1
2. Which of the following quadratic equations is written in standard form?
a. 5m2 + 6 = 13 b. -6n2 - 5n - 1 =- 4n C. x(x - 2) = 10x
d. s2 + 2
3. What are the correct values of a, b, and c in the quadratic equation 5x2 + 6x = x - 7?
a. a =-5; b =-5;c = 7
c. a = 5; b = 7; c = 7
b. a = 5; b = 5;c = 7
d. a =-5; b =-7;c =-7
4. Transform the quadratic
5. When the quadratic equation 5 – 3x =- 5x + 2x2 is expressed in standard form the following values of a, b,
and c were obtained. Who do you think got the correct values of a, b, and c?
Grock: a=2; b =-2; C =- 5 Lesley: a =-2; b = 2; C = 5
Fanny: a = 2; b =-8; C =-5 Diggie: a =-2; b = 8;c = 5
a. Fanny & Grock
b. Grock & Lesley c. Lesley & Diggie d. Fanny & Diggie
6. Solve: (m - 1)2 – 25 = 0.
a.{-4,6}
b.{-6,4}
c. {1, V5}
d. {1, - V5
7. All equations below can be solved by extracting square root EXCEPT-
a. x2 - 2x + 1 = 0 b. 25x2 + 75 = 0 c. (h - 3)2 = 400 d. (s +3)(s – 5) = 6
8. Ifx+ = 16 is equivalent to (x2)² = 16, which of the following are two of its solutions?
a. +16
b. +8
d. +2
9. If (3x + 2)(x - 1) = 0, then 3x + 2 = 0 and x - 1 = 0. What mathematics principle is illustrated?
a. Multiplication Property of Equality
c. Square Root Property
b. Distributive Property of Multiplication
d. Zero Product Property
10. Find the solutions of x2 + 7x = 18.
a. -2 or 9
b. 2 or - 9
C. -2 or - 9
d. 2 or 9
11. In solving the equation x2 - x =- 1 by completing the square, what must be added to both sides to ma
the left side a perfect square trinomial?
A.1/25
B.5/4
C.4/25
D.25/16​