Mathematics Past Questions and Answers

Given:<br/>\[<br/>f(x)=x^2+2x-3<br/>\]<br/>Find:<br/>\[<br/>f(-4)<br/>\]

Evaluate:<br/>\[<br/>100 - \{20 + 5(6)\}<br/>\]

Find the 4th term of:<br/>\[<br/>7,\ 21,\ 63,\ 189,\ \ldots<br/>\]

Find the common difference of:<br/>\[<br/>-3,\ 2,\ 7,\ 12,\ \ldots<br/>\]

The angle subtended by an arc at the center of a circle is \(150^\circ\). Find the angle subtended at the circumference.