Find roots by Factoring
0=(x-1)(x+5)
What is x=1 and x=-5
0=(x+2)2 -25
What is the quadratic formula?
What is the discriminant?
What is b2 - 4ac ?
How many seconds are in a year?
What is 12 (example Jan second, Feb. second March 2nd... )
0=(x+3)2
What is x=-3
0=(x+2)2
What is x = -2
In what form must a quadratic be in, in order to use the quadratic formula?
What is Standard Form?
What are the three type of discriminant we look for?
What is positive, negative, and zero ?
Why was the broom late?
0=x2 - 3x - 10
What is x =-2 and x = 5
0=2(x-7)2 -32
What is x = 11 and x = 3
Find the roots of 2x2 -3x - 5 = 0
What is x = 5/2 and x = -4
If a quadratic has one solution what type of discriminant does it have?
What is zero?
When is Ms. Simms' Birthday
What is September 6th
6x2 -18x - 18 = 6
What is x = 4 and x = -1
2=(x-1)2 -79
What is x = 10 and x = -1
Find the roots of the following quadratic
4x2 +8x+7=4
What is x = -1/2 and x = -3/2
TRUE or FALSE you use the discriminant to determine what the roots are.
What is false?
What do baby parabolas drink?
What is Quadratic Formula
7x2 =14x-7
What is x = 1
0=3(x-5)2 +75
x = 5 + sqrt(-25) and x = 5 - sqrt(-25)
NO REAL ROOTS
Find the real roots of the following
x2 - 6x + 12 = 0
What is x = 3+ sqrt(-3) and x = 3 - sqrt(-3)
What is there are no real roots
Determine the number of real solutions the following system has
5x2 - 4x + 6 = 0
What is zero?
The formula for throwing a baseball in the air is represented by y=-3x2 + 3x + 10 where y is the height of the ball. After how many seconds will the ball hit the ground? (Hint: illustrate the situation as a guide)
What is 2.39 seconds ?