Determine Vertex
What is the vertex of y=4(x+6)2-15
(-6, -15)
The solution(s) of 0=2(x+3)(x-2) is/are?
(-3, 0), (2, 0)
The parabola goes through the points (1, 0) and (-2, 0). A possible equation is?
y=a(x-1)(x+2)
A ball is kicked and its height follows the parabola h=-0.1t(t-20). How long is the ball in the air for?
20 seconds
What is the minimum value of y=0.5(x-5)2+13
13
The roots of y=-2(3x-1)(2x+5) are?
(1/3, 0), (-5/2, 0)
The parabola has roots at (1, 0), (-3, 0), and vertex at (-1, 8). The equation is?
y=-2(x-1)(x+3)
y=-2(x+1)2+8
A ball is kicked from a building and follows the path h = -0.5(t+3)(t-15). How long is the ball in the air for?
15 seconds
What is the vertex of y=x2+8x-5
The x-intercepts for y=x2+5x-6 are?
(-6, 0), (1, 0)
You have 50m to fence a playground against a school wall. What is the equation to determine the area of the playground?
A=(50-2x)x
A ball is kicked from a building and follows the path h = -t2-5t+24. How long is the ball in the air for?
8 seconds
What is the maximum value of y=-3x2+30x-65
10
The roots of y=x2-3x-5 are?
(-1.193, 0), (4.193,0)
Two integers differ by 12. The sum of their squares is 1040. What are the integers?
x2+(x-12)2=1040
A ball is kicked from a building and follows the path h = -0.5t2-1.25t+1.75. How long is the ball in the air for?
3.5 seconds
What is the vertex of y=-4x2-18x-7
(-2.25,13.25)
The zeros of y=-2x2+8x-1 are?
(0.129, 0), (3.871, 0)
Tickets for a dance cost $5, and projected attendance is 300 people. For every increase of $0.50 in ticket price, attendance will decrease by 20. What is the equation to represent the revenue?
A ball is kicked from the middle of the field and follows the path of h = -0.5t2+6t-14.875. How long is the ball in the air for?
5 seconds