Solve ax^2-c=0 assume a and c are positive​

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  x = ±√(c/a)

Step-by-step explanation:

Undo what is done to x.

  ax² -c = 0

  ax² = c . . . . . . add c

  x² = c/a . . . . . . divide by a

  x = ±√(c/a) . . . . take the square root

constant acceleration- a

constant velocity- c

no velocity or acceleration- b

explanation:

for body moving with a constant acceleration, the rate of change of displacement changes over time. this is proven by the increasing gradient of the curve (a) against time.

a body that is moving at constant velocity covers equal distances over equal periods of time, thus the straight line with a constant gradient c.

a stationary body   covers no displacement as time elapses. thus the flat line with   zero gradient.

you answer is a

step-by-step explanation: