The standard form of the quadratic equation is:
A. y = a(x – h)2 + k
B. y = a(x + h)2 + k
C. y = x2 + bx + c
D. y = x2 + k
Correct Answer: C) y = x2 + bx + c
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A. y = a(x – h)2 + k
B. y = a(x + h)2 + k
C. y = x2 + bx + c
D. y = x2 + k
A. Plane mirror only
B. Concave mirror only
C. Convex mirror only
D. All mirrors irrespective of their shape
A. It is a form of electromagnetic radiation.
B. It travels at the fastest speed in vacuum.
C. It can be polarized.
D. It is made up of tiny particles called photons.
A. Freshwater
B. Terrestrial
C. Marine
D. Both freshwater and terrestrial
A. Circulation of blood
B. Movement and feeding
C. Excretion
D. Respiration
A. Amplifies the sound
B. Muffles the sound
C. Redirects the sound
D. Has no effect on the sound