Use technology to solve:

MATHEMATICS · Multi-part · IB Diploma Programme · Mathematics: Applications and Interpretation · Number and Algebra · Number and Algebra

Problem

Use technology to solve: (1)

x=5-\sqrt{x}

(2)

\frac{2}{x}=3x+4

(3)

3^x=15

(4)

5\times2^{x-1}=90

(5)

x^2+5=4x+\sqrt{x}

(6)

(x+1)(x-3)=\sqrt{x+3}