September 2013: Football betting, Eye Chart, NASCAR, and Password

(from September 30, 2013)

"Radical Pythagorean Theorem"

'One minute math question':  What is the length of x?

Solution is in the spare parts section at mathplane.com




(from September 26, 2013)

"Super Natural Number"

Password and contestant's 6th sense...


(from September 24, 2013)

"Finding the minimum in a quadratic"

For the function f(x) = 9(x - 8)(x - 2),


what is the minimum output?

ANSWER





(from September 19, 2013)

"Accelerated Math"

Driven Students at NASCAR




(from September 13, 2013)

"Family Eunion"

Find more math comics at mathplane.com

Or, follow at Facebook, Google+, or Pinterest





(from September 10, 2013)

"Sequences containing variables"

Can you solve these 2 questions involving progressions (sequences) with variables?

1) For some real number t, the first 3 terms of an arithmetic sequence are 3t, 4t + 2, and 7t - 4. What is the numerical value of the 4th term?

2) For some positive real number b, the first 3 terms of a geometric progression (sequence) are b - 1, b + 4, and 3b + 2. What is the numerical value of the 4th term?

SOLUTIONS





(from September 5, 2013)

"Negated Football Logic"

Are you ready for some football!?!!