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6lost6soul6
07.11.2021 •
Mathematics
1. Which equations represents a quadratic function? A. y = 3 + 2x2
B. 2y2 + 3 = x
C. y = 3x - 22
D. y = 2x - 3
2. Which quadratic function is written in general form?
A. 4x2 – 1 = y
B. y = x2 + 2x – 1
C. 4x2 + 5 = 3x
D. f(x) = (x + 1)2 - 2
3. In the equation y = ax2 + bx + c, which of the following cannot be equal to 0 for the equation to be quadratic?
A. a B.
b C. c
D. a, b, and c
4. Which of the following equation represent quadratic?
A. The cost of each pen is Php 8.50. How many pens can be bought by Php 850?
B. The length of a field is 2 m more than twice its width and its area is 24 m2.
C. The length of the rectangular room is 3 more than the width and its area is at least 56m2.
D. The length of a wall is 8 m more than its width. If the area of the wall is less than 40 m2.
5. What are the dimensions of the largest rectangular field that can be enclosed with 100 m of wire?
A. 24 m x 26 m
B. 25 m x 25 m
C. 50 m x 50 m
D. 50 m x 25 m
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