Under fire!

Author:Joshua Price

A cannon fires from the point (0,0) at a ship that is at the point (5,0). The cannon ball moves in the shape of the parabola y = −x^2 + 4. Find the x-intercepts of this parabola to determine if the ship will be hit by the cannon ball.

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רישום חופשי
bewijs stelling van Pythagoras
Inversión esférica de nudos: el nudo trébol y el nudo ocho
Right Triangle Trig Ratios: sin, cos, tan
apec

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Rectangle and a Square
true/rational-number-in-expression.ggb
pente de droite
Quadrilateral angles
Quadratic Roots

Discover Topics

Secant Line or Secant
Unit Circle
Indefinite Integral
Mode
Translation