6. Which situations illustrates quadratic equation?
A. The length of a rectangular board is 3m longer than its width and its perimeter is 25ın
B. Joey paid at least P2,000 for the shirt and pants. The cost of pants is $700 more than the shirt.
C. A garden's length is 7m longer that its width and the area is 18 square meters.
D. A .ot cost $4,000 per square meter and the area is 120 square meters.

7. If (x + 2)2 = 3(x + 2) is written in standard form, the value of b is
A. 7
B. 5
C. 3
D. 1

8. When the quadratic equation (2x + 5) (x - 1) = -6 is written in standard form, what are the values of a, b, and c?
A. Q == -2,5 = 3,0 = 1
C. a = 2,b= -3,c = 1
B. a == 2, b = 3, c = 1
D. a = -2, b = -3,c = 1

9. The climensions of a rectangle with an area of 56 meters2 are (3x - 1) meters by (x + 4) meters. Which of the following quadratic equation in standard form represents the situation?
A 3x2 + 11% -- 60 = 0
C. 3x2 + 11x - 52 = 0
B. 3x2 + 11x 60 = 0
D. 3x2 + 11x + 52 = 0

10. When 7 - 5x == 3x2 was written in standard form, Ana and Elsa got the following answers: Ana: 3x2 + 5x - 7 = 0 Elsa: -3x2 - 5x + 7 = 0. Who do you think got the correct answer?
A. Ana
B. Elsa
C. Both
D. None​