1. Which of the following is a quadratic equation?
a. 3x2+4x+5
b. 5x2+2x- 4= 0
c. 6x+1=0
d. x2 - 6x +8 20

2. It is a polynomial equation of degree two that can be written in the form ax2 + bx + c = 0, where a, b, and
are real numbers and a=0.
a. Linear Equation b. Linear Inequality c. Quadratic Equation d. Quadratic Inequality

3. In the quadratic equation 3x2 + 7x - 4 = 0, which is the quadratic term?
a. x2
b. 7x
d. -4

4. By extracting square roots, the solutions of the quadratic equation 4x2 - 36 = O is
a. 9
b. +9
C. +3
d. 3

5. Which of the following is a quadratic equation in standard form?
a. y2 + 6 + 2y = 0 b.r-3 = 5r2
c. 9 + W2 = 0
d.7a? - 6a + 5 = 0

6. Solve by factoring: x? - 2x =0.
a. x=0.x=-2
b. x=0.x=2
C. X=+2
d. x = -2

7. Solve and simplify
5+52-4(3)(-2)
2(3)
a.2
b. 1/3
c. 1/2
d. -2

8. The root/s of 4a? + 20a + 25 is/are
a. -2/5
b. -5/2
C. +2, -5
d. +2, +5

9. Find the solutions of x2 - 6x - 41 =0 using the quadratic formula.
a. +3
b. 3+5V2
C. 6+2V2
d. 6+5V2

10. Express s? + s + as square of a binomial.
(s+)* b. (5+3)

11. What number must be added to w-w+ to make it a perfect square trinomial?
.
36
c.
d.
16

12. Which are the roots of y2 - 4y - 32=0?
a. -4 and 8
b. -4 and -8
C. 4 and -8
d. 4 and 8

13. Which of the following is a perfect square trinomial?
a. r2 + 4
b. x2 + 5x + 6
C. r2 + 10r - 25
d. a? + 6a + 9
14. How many real roots does the equation x2 - 196=0 have?
b. 1
C. O
d. cannot be determined

15. Which of the following equations has no real root?
a. p=0
b. 20 = 50
C. -6b² = -24
d. 5w? + 5 = 0

16. What is the nature of the roots of the quadratic equation if the value of its discriminant is negative?
a. The roots are not real.
c. The roots are rational and not equal.
b. The roots are irrational and not equal. d. The roots are rational and equal.

17. What is the value of the discriminant of x2 + 2x +5 =0?
a. 16
b. 24
C. -16

18. Find the sum of the roots of 2x2 + 5x +7 = 0.
d. -24
a. -5/2
b. 7/2
C.-2/5

19. Find the quadratic equation whose roots are 2 and -5.
d. -7/2
a. x2 + 3x +10=0
b. x2 - 3x +10=0 C. x² + 3x -10=0

20. Find the product of the roots of dx? +e = ex
d. x - 3x-10=0
a. eld
b. e/d
c. ed
d. -ed
S-
16
book
16
36
a.
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