Question

without finding the roots, comment on the nature of the roots of the following quadratic equations. 4x² = 1​

Answer 1

Answer:

a=4, b= 4 and c=1

\begin{gathered}d = {b}^{2} - 4ac \\ \\ = {4}^{2} - 4 \times 4 \times 1 \\ \\ = 16 - 16 \\ \\ = 0\end{gathered}

d=b

2

−4ac

=4

2

−4×4×1

=16−16

=0

Answer 2

Answer:

a=4, b= 4 and c=1

\begin{gathered}d = {b}^{2} - 4ac \\ \\ = {4}^{2} - 4 \times 4 \times 1 \\ \\ = 16 - 16 \\ \\ = 0\end{gathered}

d=b

2

−4ac

=4

2

−4×4×1

=16−16

=0