Explain para malaman ko kung tama ba o nanghuhula ka lang Wag sagutan kung hinulaan nyo lang!
1. Which of the following is a quadratic equation?
a. 2x + 5 = 11 b. 1/x+6 = 3
c. x² = 1 d. x³ - x = 4
2. Which of the following is written in standard form?
a. x² - 5 = x b. x² = 9
c. 3x² + 4x - 5 = 0 d. x² - x = 6
3. In the equation ax² + bx + c = 0, which refers to the quadratic term?
a. bx b. c c. 0 d. ax²
4. How many roots does the quadratic equation 3x² + 7x + 10 = 0 have?
a. 0 b. 1 c. 2 d. 3
5. Which of the following quadratic equations can be solved easily by extracting the square roots?
a. 6x² - 9x + 12 = 0 b. 5n² + 7n - 51 = 0
c. 4m² - 64 = 0 d. y² - 3y - 10 = 0
6. What is the positive square root of 169?
a. 12 b. 13 c. 14 d. 15
7. What are the roots of x2 + 5x + 6 = 0?
a. 3, 2 b. 5, 1 c. -5, -1 d. -3,-2
8. What are the roots of 5x2 - 7x = 0 ?
a. 0,7/5 b. 0,-7/5 c. 0,5/7 d. 0,-5/7
9. What number must be added to both sides of the equation x² + 12x = 13 so that the method of completing the square can be used to solve the roots?
a. 25 b. 36 C. 49 d. 64
10. What value of c will make the trinomial x² – 30x + c a perfect square?
a. 144 b. 169 c. 196 d. 225
⚠️ NONSENSE ANSWER WILL BE REPORTED!
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