Given:
![y=-6x-9\ldots.(1)](https://img.qammunity.org/2023/formulas/mathematics/college/b3w0uvkpc052pavvbpxb72wmyd7otv0wuc.png)
![y=2x^5-x^4+2x^3-6x^2+2x+4\ldots.(2)](https://img.qammunity.org/2023/formulas/mathematics/college/cshqec9byxmu0b92c12v67nb6r7iq7f23f.png)
![y=-4x^3-10x^2+7x+5\ldots.(3)](https://img.qammunity.org/2023/formulas/mathematics/college/7527jxpmb0g6i1dhysxsj5ya8y4023w798.png)
Highest power of the equations says the number of solutions in the equation.
For equation (1) 1 is the highest power.
No of solutions in equation (1) is 1.
For equation (2) 5 is the highest power.
No of solutions in equation (2) is 5.
For equation (3) 3 is the highest power.
No of solutions in equatiion (3) is 3.