You are asked to find the minimum or maximum of the quadratic function: f(x) = -2x^2 + 4x + 1 and you use x =
-b/2a to find the x-value.
1. What is b? _
2. What is a? _
3. What is the value of x? _
4. What is the value of y? _
5. Is this a minimum or maximum? _
a. 4
b. 3
c. -1
d. 3
e. Maximum
f. 2
g. -2
h. 9
i. 1
j. Minimum
k. -4
1. What is b? _4
2. What is a? _-2
3. What is the value of x? _-4/(-2) = 2
4. What is the value of y? _f(2) = -2(2)^2 + 4(2) + 1 = -8 + 8 + 1 = 1
5. Is this a minimum or maximum? _e. Maximum