exam Maths Puzzle Numerical Ability

|2x - 3| = -7

Read Solution (Total 0)

exam Other Question

Can someone help me on this problem?

A principal of $5,000 was invested in a savings account for 4 years. If the interest earned for the period was $400, what was the interest rate?

Thanks,
Sher I am trying to understand increasing and decreasing intervals of quadratic function but I just don't get it -please help. thank you