2. The equation 2x2-5x-7=0 has the roots as shown below. 2x2-5x-7=0 (2x+2)(x-7)=0 7(x+1) =0; x-7=0 x+1=0;...

    

Transcribed Image Text:

2. The equation 2x2-5x-7=0 has the roots as shown below. 2x2-5x-7=0 (2x+2)(x-7)=0 7(x+1) =0; x-7=0 x+1=0; x-7=0 x=1;x=7 a. Do you think the roots are correct? Why? b. If you are task to find the roots of the equation, what would it be? Justif solution. 2. The equation 2x2-5x-7=0 has the roots as shown below. 2x2-5x-7=0 (2x+2)(x-7)=0 7(x+1) =0; x-7=0 x+1=0; x-7=0 x=1;x=7 a. Do you think the roots are correct? Why? b. If you are task to find the roots of the equation, what would it be? Justif solution.