Projectile Motion
A soccer ball is kicked into the air. It is modeled by the equation h(t) = -16t2 + 32t. How long is the ball in the air?
The discriminate of x2 - 6x + 5
What is 16?
The vertex of y = (x - 4)2 - 9
What is (4, -9)?
The factors of the quadratic: x2+9x+20
What is (x+4)(x+5)?
The slope of the line that falls on the two points (2,3) and (6,11)
What is 2?
What is 1.5 seconds?
The number of solutions to 2x2 + 4x +5
The vertex form of y = x2 - 6x + 5
What is y = (x - 3)2 - 4?
The factors of the quadratic x2-16
What is (x-4)(x+4)?
2(x-3)+4=10
What is x = 5?
The maximum height of h(t) = -16t2 +48t + 64
What is 100?
Solve using the quadratic formula: x2 + 2x - 8
What is x = 2 and x = -4?
The axis of symmetry for y = 2(x + 1)2 - 3
What is x = -1?
Solve: x2-7x+12=0
What is x=3 and x=4?
The slope of a line perpendicular to y = 1/2x + 3
What is -2?
The amount of time it took for a ball to hit the ground modeled by h(t) = -16t2 +40t + 5
Round to the nearest tenth
What is 2.6 seconds?
Solve: 4x2 - 4x -3
What is x = 3/2 and x = 1/2
An equation for a parabola that opens up and has a vertex of (2, - 5)
What is y = (x - 2)2 - 5?
Factor 4x2 - 25
What is (2x-5)(2x+5)
The simplified version of (2x-3)(x+4)
What is 2x2+5x-12?
A ball is thrown from a height of 20ft with a velocity of 32ft/sec. h(t) = -16t2 + 32t +20. When is the height 36ft?
What is t = 0.5 and 2.5 seconds
The area of a rectangle is 48cm. One side is x , the other is x + 2. Solve for x.
What is x = 6cm
The vertex of a parabola y = -2x2 +8x-3
What is (2,5)?
Factor and solve x2 +6x + 7
What is prime? (Cannot be factored)
The equation of a line that has a slope of 3 and passes through the point (1,2)
What is y=3x-1?