Direction: write the letter of the correct answer on your
1. Which of the following is the standard form of quadratic equations?
A ax²+bx+cco, a ²0
C. Ax + By +C =0
B. ax? + bx + c = 0,a #o
D.
y = mx + b
2. Which of the following is a quadratic equation?
A 3m - 7 = 12
C. 2x² - 7x > 3
B-50% + 4n - 1
D. t2 + 5t - 14 = 0
3. In the quadratic equation 5w2 + 9w - 10 = 0, which is the quadratic term?
A. wz
C. 5w2
B. 9w
D. -10
4. How many real roots does the quadratic equation 3x2 + 7x + 10 = 0 have?
4.0
C. 2
B. 1
D.3
5. What is the nature of the roots of a 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.
6. When the quadratic function y = x2 + 2x - 1 is expressed in vertex form, it
becomes
A. y = (x + 1)2 +1
C. y = (x + 1)2 - 1
B.y = (x + 1)2 + 2
D. y = (x + 1)2 - 2
co
7. Using the function y = x2 + 2x + 1, determine the missing part in row y as shown in the
table below.
y
-6
-4
-2
0
2
4
6
25
1
9
49
A. 9,17 and 25
C. 9, 1 and 25
B. 17,9 and 25
D. 9, 1 and -25
8. Find the solution of 9x2 - 81 - 0 by extracting the square root.
c. 74
A. +9
D. 33
B. +2

Someone can answer this?​