If 8 plus twice a equals 10 plus the product of 6 and the square of b, what is a in terms of b?
A. 7 + b/2
B. 1 + 6b
C. 1 + 3b2
D. 2
E. 3
Remember when you see word equations to get the numbers out of the words. Focus on solving for a.
2a + 8 = 6b2 + 10
2a = 6b2 + 2
½(2a) = ½(6b2 + 2)
a = 3b2 + 1