1. Mathematics
2. Algebra
3. Basic Algebra
4. 148885

Solve each equation:

1) 2y^2 - 3y -6 = 0
2) (x-10)(x-2) = -20

Find all real or imaginary solutions for each equation:

1) W^2=-225
2) 3v^2+4v-1=0
3) sqrt (7x+29) = x+3

Word Problem

Time to Swing. The period T (time in seconds for one complete cycle) of simple pendulum is related to the length L (in feet) of the pendulum by the formula 8T^2=(pi)^2L. If a child is on a swing with a 10-foot chain, then how long does it take to complete one cycle of the swing?

NOTE:
Please help me better understand the above. I am having a hard time with the concept and I am note sure my answers are correct. Thank you so much for all your help.