8. What are tge factors of 4x² - 12x + 9?
A. ( 2x + 3 )²
B. ( 2x - 3 )²
C. ( 2x - 3 ) (2x + 3 )
D. ( x + ⅔ ) ( x - ⅔ )
9. Which pair of binomials are conjugates?
A.
[tex] + \sqrt{5} \: and \: - \sqrt{5} [/tex]
B.
[tex]1 + 2 \sqrt{3} \: and \: - 1 - 2 \sqrt{3} [/tex]
C.
[tex]2 + \sqrt{3} \: and \: 3 - 2 \sqrt{2} [/tex]
D.
[tex] - 3 + \sqrt{5} \: and \: - 3 - \sqrt{5} [/tex]
17. What must be added to x² + 3x + ____ to make it a perfect square trinomial?
A.
[tex] \frac{4}{9} [/tex]
B. 6
C.
[tex] \frac{9}{4} [/tex]
D. 9
18. What are the solutions/roots of 2x² - 5x 3 = 0
A.
[tex] - 3 \: - \frac{1}{2} [/tex]
B.
[tex] - 3 \: \: \frac{1}{2} [/tex]
C.
[tex]3 \: - \frac{1}{2} [/tex]
D.
[tex]3 \: \: \frac{1}{2} [/tex]
For Number 19-20.
The length of the Olympic size swimming pool is two times the length of its width. The area covered by this pool is 1250 sq. meters.
(Hint: Area = length x width)
19. Which of the following equations represent the area of the pool in standard form?
A. 2x (x) = 1265
B. 2x² = 1265
C. x² = 625
D. x² - 625 = 0
20. Calculate the dimension of the Olympic size swimming pool.
A. lenght = 25m, width = 25m
B. length = 50m, width = 25m
C. length = 50m, width = 50m
D. length = 100m, width = 50m
pahelp po ty btw yung sa picture para yan sa 19-20, sana masagot ng maayos ty po.
