Determine the vertex of the function f(x) = 4x2 − 8x − 5
Here's a sample food label found on the back of the jar of peanut butter I dolloped into my oatmeal this fine Sunday morning:
If we need to spell out to Americans that peanut butter with "organic dry roasted peanuts" means it has PEANUTS in it, what chance do we have teaching the same population the intricacies of algebra or of the natural world?
The photo was taken from the back of my peanut butter.