First 15 Jan 23 A

• y-intercept

• x-coordinate of the vertex

• y-coordinate of the vertex

• x-intercept

• y-intercept

• x-coordinate of the vertex

• y-coordinate of the vertex

• x-intercept

The function f(t) = -5t²+20t + 60 models the approximate height of an object t seconds after it is launched. How many seconds does it take the object to hit the ground? 

• 4 seconds
• -2 seconds
• 6 seconds
• 9 seconds

Given f(x) = 4x² + 25, what are the correct factors of the polynomial?

• (2x - 5)(2x + 5)

• (2x - 5)(2x - 5)

• (2x - 5i)(2x + 5i)

• (2x + 5)(2x + 5)

Mathematical Equivalence

ON