Student Constructed Response ("grid-in") type

If the graph of the quadratic function f(x) = -x^2 + kx - 25 intersects the graph of y = 0 in exactly one point, what is the value of k?

Answer: 10

NOTE: This is similar to but a notch above the College Board Problem of the Day of 1-19-13

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## Saturday, January 19, 2013

### Quadratic Function SAT Practice (Grid-in)

Posted by Dave Marain at 5:37 AM

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## 2 comments:

Here's a quadratic function problem that's also challenging.

http://fivetriangles.blogspot.com/2012/04/quadratic-functions.html

Here's a quadratic function problem that's also challenging.

http://fivetriangles.blogspot.com/2012/04/quadratic-functions.html

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